Understanding the .460 Rowland Conversion Kit. Before we dive into the installation process, it’s essential to understand what a .460 Rowland Conversion Kit is and its significance in the world of firearms. The .460 Rowland Conversion Kit is designed to increase the stopping power and versatility of your handgun.The .460 Rowland® is a proprietary cartridge designed and developed by Johnny Ray Rowland, host of "The Shooting Show." After first developing the new cartridge, Rowland worked with Starline ... About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Oct 14, 2018 · I will say it is a very bad idea to run a 45 glock barrel, including a AM glock barrel, at 50,000 PSI, not enough. margin of safety left. 460 Rowland is around 40,000. PSI. I have had the 45 win mag in the grizzley and still have. one in a Freedom Arms revolver, also have had a 44. The Glock 41: Versatile and ready for duty, Carry or Competition. The 460 Rowland® Conversion for the G41 is the latest addition to our line of 460 Rowland® offerings, and we love it. The longer barrel and slide offer a greater sight radius to improve accuracy while helping to reduce both muzzle flip and felt recoil. It is well-balanced, reliable and easy to shoot. The G41 is an excellent ... Dec 27, 2022 · It runs like an 80,000 lb semi-truck air brake, powering down your slide completely and reliably during the last four millimeters of travel. It’s the “little engine that could” and can catch any ammo you want to throw at it, from 22 LR to 9 mm, 38 super, 45 ACP, and even the .44 Magnum-Powered .460 Rowland® Cartridge! Starline 460 Rowland Brass (100) WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.For more information go to – www.P65Warnings.ca.gov.460 Rowland—What’s the consensus and why? So I’m seriously thinking about getting one of the conversions kits from 460rowland. I have a 2020 year stainless Colt Competition Series 70, already pretty modded both by a gunsmith and myself—upgraded springs, hammer, shokbuff, guide rod, etc….Home - Ammunition - Underwood Ammunition 460 Rowland 200 Grain Lehigh Xtreme Penetrator Lead-Free Box of 20. Underwood Ammunition 460 Rowland 200 Grain Lehigh Xtreme Penetrator Lead-Free Box of 20. SKU 946308. Be the first to leave a review. $ 66. 19 in stock. Flash Sale. 0. 0. 0. 0. Days. 0. 0. Hrs. 0. 0. Min. 0. 0. Sec.Jan 22, 2019 · The .460 Rowland will be available as a complete Aero Survival Rifle, Aero Survival Pistol, Tactical Pistol and available as cartridge conversion kits for existing owners of TNW rifles and pistols. The .460 Rowland is a proprietary cartridge designed to reach near.44 Magnum level velocities in a semi-automatic pistol cartridge with a .45 ... https://www.460rowland.com/shop/460-rowland-complete-guns/1911-long-slide-hunter/There’s quite a bit that goes into each .460 Rowland® Conversion Assembly fo...Jun 13, 2018 ... The 460 Roland is pretty close in Power to the 44 magnum. And about 20 to 30% more powerful than the 10 mm. I think I recall reading a 185 grain ...The .460 Rowland® is a proprietary cartridge designed and developed by Johnny Ray Rowland, host of "The Shooting Show." After first developing the new cartridge, Rowland worked with Starline ... The .460 Rowland is a 1911 chambering based on the .45 ACP that uses .45 ACP brass, primers, and bullets. It has a high pressure of 40,000 PSI and can shoot like a .44 Magnum. Learn how it works, what …The 460 Rowland V2 Recoil Damper is a precision-machined “micro-motor” designed to manage slide speed and recoil. It consists of a piston and cylinder coupled with our 30-50,000 cycle reaction spring. It actively slows the slide, regardless of force, in the last inch and a half of travel, working much like the air brakes on a semi truck. .460 ROWLAND ® V2 damper motor recoil system is designed for extended lifespan and smooth operation in high performance 1911 handguns including removable, and non-removable barrel compensator applications, and .460 Rowland ammunition fueled applications. This system is a compact recoil/reaction spring guide rod assembly with an …Mar 5, 2021 ... Here are the steps you will take to install your FNX Tactical Conversion! Let US do all this work for YOU by ordering a COMPLETE 460 ROWLAND ...Ventura Heritage 460 Rowland 200gr JHP Ammo - 50 Rounds. Armscor 22lr High Velocity 36gr HP Ammo - 50 Rounds. Add To Cart. Armscor 22 WMR 40gr JHP - 50 Rounds. Add To Cart. Wolf Polyformance 7.62x39 122gr Copper FMJ (Non-Magnetic) Range Safe Ammo - 20 Rounds. Add To Cart.Here is a brand list of potential 1911 conversions to a .460 Rowland® for maximum impact, penetration, performance, and accuracy. When you choose .460 Rowland® you are choosing the best 1911 Conversions on the market. Please: No Double-Stacks, Bull Barrels or Fully-Ramped barrels.Dec 27, 2022 · THE 460 ROWLAND®: First available in 1998 and as far as I’m concerned the genius level creation of Johnny Rowland, who worked with Jim Clark to develop the conversion kit. Mr. Rowland designed a case that is 1/16th longer to keep it from being able to chamber in regular 45acp’s. With chamber pressures in the 40,000 lb range it is nearly ... Just drop this barrel and upgraded recoil spring assembly into your Glock 19 Gen 3 or Gen 4 and enjoy cycling our 960 Rowland ammunition, which is balistically equivalent to the .357 Magnum! You will still be able to cycle your regular 9mm through your new converted gun! INCLUDES: New Glock 19 barrel converted to .960 Rowland®The .460 Rowland® Whisperer 290gr HC. Rated 5.00 out of 5 $ 75.00; The Javelin 230gr HC $ 75.00; Due to heavy call volume, an email may get you faster service for questions. If you wish to place an order over the phone, we will do our very best to assist you. [email protected]. DISCLAIMER:The .460 Rowland is a proprietary cartridge which attains true .44 Magnum level velocities when fired from a number of popular semi-automatic pistols, revolvers, …The Glock 41: versatile and ready for duty, carry, or competition. The 460 Rowland® conversion for the G41 is the latest addition to our line of 460...Mar 5, 2021 ... Here are the steps you will take to install your FNX Tactical Conversion! Let US do all this work for YOU by ordering a COMPLETE 460 ROWLAND ...Videos - 460 Rowland. KIMBER LONG SLIDE CONVERTED TO 460 ROWLAND AT THE RANGE. GLOCK 17 - 960 ROWLAND CONVERSION INSTALLATION. DAN WESSON 1911 CONVERTED TO 460 ROWLAND. SPRINGFIELD ARMORY 1911 WITH STANDARD 460 ROWLAND CONVERSION. The .460 Rowland®, as we load it, is squarely at mid 44 magnum power levels. This means that a person can now carry a 1911 style combat pistol that has the power of a 44 mag. revolver, but is slimmer, faster to reload, faster to shoot and holds nine rounds instead of a revolver’s six. The .460 Rowland® casing is simply a 45 ACP case that ...Dec 13, 2022 · I dont feel 460 rowland is necessary for black bears. Buffalo Bore 255gn hard cast is what my experience is with. Its my carry load around things that may try to eat me or stomp me. Being necessary or not doesn't mean it wouldn't be fun to play with. I as well would like to hear from someone with actual experience with 460 Rowland. .460 Rowland - Published Manufacturer Loading Data Recipe Type: PistolGet ratings and reviews for the top 11 pest companies in Rowland Heights, CA. Helping you find the best pest companies for the job. Expert Advice On Improving Your Home All Project...The 460 Rowland bullets range from 80 gr to 260 gr. You would find rounds of 10mm spanning from 175 gr to 230 gr. The Rowland proves to be more potent, boasting higher muzzle velocity and greater bullet energy compared to the 10mm. This increased power provides the 460 Rowland with an advantage over the 10mm.With the 460 Rowland loaded to published max, the 230 grain bullet pretty well duplicates the ballistic energy values of a 44 mag 240 grain factory load from a 4-6 inch barreled gun. Instant understanding of "relativeness", as the 44 mag load has a long record of published performance results.Notes: The 460 Rowland is based on the .45 Winchester Magnum case with a length 1/16" longer than that of the standard .45 ACP. Never exceed these loads. Never exceed these loads. Never shoot .460 Rowland ammunition in any firearm not designed for its use.The .460 Rowland® is a true .45 caliber round, not actually a distinct caliber. Makes sense seeings how its all done with one barrel For a 100 bucks labor they will fit it to my pistol. Test fire and adjust accordingly. Starting to look like a …Our solution is the .460 Rowland® Weighted Rear-Sight Replacement, affectionately known as The Rowlanator. First developed for the very small, but elementally tough, .45 Caliber Springfield XDm 3.8″ Compact, we immediately applied it to the very popular Glock-30. Both guns benefit greatly by its addition and we recommend its use on several ...The Authentic .460 Rowland cartridge uses extreme chamber pressures to achieve it’s .44 magnum muzzle velocities and will propel a 185 grain bullet from a five inch barrel to 1550 fps and, unlike a standard .45 ACP cartridge, it realizes 20% higher velocities when fired from an eighteen inch barrel.The 460 Rowland bullets range from 80 gr to 260 gr. You would find rounds of 10mm spanning from 175 gr to 230 gr. The Rowland proves to be more potent, boasting higher muzzle velocity and greater bullet energy compared to the 10mm. This increased power provides the 460 Rowland with an advantage over the 10mm..460 Rowland Ammo - 255 gr. HC-FN (1300fps / M.E.957 ft.lbs.) - 20 Round Box FREE SHIPPING - Purchase 12 or more boxes & get FREE SHIPPING! (Retail Sales Only). PLEASE NOTE: Actual projectile may sometimes differ from photograph. $51.74. SKU: 35B/20.460 Rowland® Pistol and Handgun AmmoDeveloped for our US Private Security Contractors, this tough 230 gr., 1350 fps FMJ HP delivers limited but reliable expansion. Bullet Weight: 230 Grains Bullet Style: Hornady XTP - Jacketed Hollow Point Case Type: .460 Rowland® Brass Muzzle Velocity: 1350 fps Muzzle Energy: 931 ft. lbs. Power Factor: 322 50 Rounds for $75 NOTICE: Limit 5 boxes per …Aug 14, 2016 ... Underwood 460 Rowland ammo: What they claim and what the chronograph had to say. It was good hard hitting ammo but less than I had hoped ...10mm Auto – While powerful in its own right, the 10mm Auto doesn’t match the sheer power of the .460 Rowland. Fires a 180-grain to 200-grain bullet at high velocities, offering excellent ballistic performance and penetration. It is potent enough for self-defense and hunting medium-sized game but with less recoil compared to the .460 Rowland.Factory loads for the .460 Rowland are a 185 grain jacketed hollow point at 1550 fps, a 200 grain jacketed hollow point at 1450 fps, and a 230 grain jacketed hollow point at 1340 fps. Fired in my completed .460 Rowland, the 185 grain factory load does 1530 fps (and drops five shots into 5/8″ at 15 yards), the 200 grainer does 1436 fps and ...Starline 460 Rowland Brass (100) WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.For more information go to – www.P65Warnings.ca.gov.The 460 Rowland was produced by shortening 45 Winchester Magnum brass. The 45 Win Mag was designed to run @ 40,000 PSI. Not the same as a 45 ACP case. Rowland has been able to get close to the 45 Win Mag performance by using newer powders that were not available when the Win Mag was designed.An Alaskan’s overview of the .460 Rowland as an outdoor companion.Jun 21, 2014 ... I review the 460 Rowland conversion kit from the Glock 21, explain the history of the round, and go over my experience shooting the G21 in ...Here is a brand list of potential 1911 conversions to a .460 Rowland® for maximum impact, penetration, performance, and accuracy. When you choose .460 Rowland® you are choosing the best 1911 Conversions on the market. Please: No Double-Stacks, Bull Barrels or Fully-Ramped barrels. 460 ROWLAND® 1911 V2 RECOIL DAMPER. Rated 5.00 out of 5 based on 2 customer ratings. ( 2 customer reviews) $ 198.73. Enhance any standard 5″ or Longslide 1911 with the revolutionary V2 Recoil Damper! This recoil system is designed to significantly reduce recoil and improve accuracy, reliability, and longevity across a wide range of calibers ...Decrease Quantity of 460 Rowland 200gr. Xtreme Penetrator® Solid Monolithic Hunting & Self Defense Ammo Increase Quantity of 460 Rowland 200gr. Xtreme Penetrator® Solid Monolithic Hunting & Self Defense Ammo. Adding to cart… The item has been added. Add to Wish List. Create New Wish List; Availability: In Stock. Box Of: 20. SKU: 827.Here is a brand list of potential 1911 conversions to a .460 Rowland® for maximum impact, penetration, performance, and accuracy. When you choose .460 Rowland® you are choosing the best 1911 Conversions on the market. Please: No Double-Stacks, Bull Barrels or Fully-Ramped barrels.Jun 11, 2018 · 5. IMO the idea of using a high powered autopistol over a revolver for bear protection is the ability to accurately put more rounds on target. The 10mm recoils less than a 460 rowland, so it should be easier to shoot 6. the 460 requires a compensator. The .460 Rowland® 1911 Extended Firing Pin solves the blow-by problem and has proven to be preferable when shooting some of the more modern high-pressure cartridges like the 10 mm, .45 Super and the Big Dog, the Mighty .460 Rowland®. Longer, Thinner and Stronger to resolve primer blow-by problems in your:.460 Rowland® LLC ... The .460 Rowland® is a proprietary cartridge designed and developed by Johnny Ray Rowland, host of "The Shooting Show." After first ...With the 460 Rowland conversion, the compensator is ABSOLUTELY necessary. Without the comp. the backthrust from the gases would override the slide mass and spring tension, being abusive to the slide and frame. This is why no one will do a conversion without a comp. I agree that getting the conversion together is a PITA with …Starline 460 Rowland Brass (100) WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.For more information go to – www.P65Warnings.ca.gov.Sep 9, 2011 · The .460 Rowland is one of the most unique chamberings of the modern era. It was the side project of wildcatter, gun TV celebrity, and shooting enthusiast Johnny Rowland. His basic idea was to ... Mar 26, 2018 ... Pretty sure it came from Midway. It requires minor fitting. Nothing that a few minutes with a stone and a caliper can't handle. Also, just “ ...Buffalo Bore Pistol Ammunition 35D/20 Pistol 460 Rowland 255 Grain Hard Cast Flat Nose Pistol Ammunition. $ 57.99. Buy Now. .460 Rowland Ammo, Handgun Ammo. Underwood Ammo .460 Rowland 185gr. Jhp 20-pack.As far as I know there is no difference between 38 special brass and 357 brass besides the length. 45 super 450 smc and 460 roland brass is thicker than 45 acp brass. 460 is longer so it won't fit an acp chamber while super and 450 smc is the same case length as acp. The web is thicker to give strength to the unsupported area of the feed ramp.GLOCK 21 + .460 ROWLAND® The 460 Rowland® conversion barrel turns your Glock 21 into a hand cannon that is a force to be reckoned with.Google is a powerhouse when it comes to technology and innovation. One of their most useful tools is the English to Spanish translation feature. With over 460 million native speake...Aug 26, 2016 ... The Rowland kit in my M&P 45 runs 100% with Johny's 460R 250gn hardcast as well as with 45ACP 230gn Rem Golden Sabers. The kit comes with a ...The .460 Rowland is a rimless, straight walled handgun cartridge designed in 1997 [1] by Johnny Rowland and developed in conjunction with Clark Custom Guns as a derivative of the .45 ACP [2] with the goal of producing a cartridge which can achieve true .44 Magnum [3] ballistic performance and be fired from a semi-automatic platform. Nov 13, 2023 · The winner: 460 Rowland. Bullet Weights Of 460 Rowland vs 10mm Bullet Weights. 460 Rowland gives you a weight range from 85g to 230g, depending on the number of seeds inside. On the other side, Woods Defense 10mm carries a narrower range, from 155 gr – 180 gr. Do you think the lighter the barrel, the farther it can travel? There has been quite a bit of development to increase the power of the venerable 45ACP cartridge. From .45+P to 45 Super to 450 SCM and the 460 Rowland. This...The .960 Rowland Guardian. $ 975.00. Unmatched power, precision, versatility, and rugged good looks. Aptly named “The Guardian”, this powerful and versatile firearm is converted to cycle our .960 Rowland which is ballistically equivalent to the .357 Magnum. You will still be able to cycle 9mm as well as our .960 Rowland, +P, +P+ and .356 TSW!The .460 Rowland®, as we load it, is squarely at mid 44 magnum power levels. This means that a person can now carry a 1911 style combat pistol that has the power of a 44 mag. revolver, but is slimmer, faster to reload, faster to shoot and holds nine rounds instead of a revolver’s six. The .460 Rowland® casing is simply a 45 ACP case that ... The Glock 41: Versatile and ready for duty, Carry or Competition. The 460 Rowland® Conversion for the G41 is the latest addition to our line of 460 Rowland® offerings, and we love it. The longer barrel and slide offer a greater sight radius to improve accuracy while helping to reduce both muzzle flip and felt recoil. It is well-balanced, reliable and easy to …Sep 25, 2007 ... The 460 Rowland is a custom conversion of the M1911 pistol offered by Clark Custom Guns. The wider extractor groove is to accomodate the M1911 ...NO… Our .460 Rowland® is a true .45 caliber cartridge. It will feed reliably from any .45 ACP magazine. The purpose of the extra 1/16″ casing length is to ....460 Rowland, 5" barrel, by Ken Kempa Reduce all loads by 10 %, then work up slowly. All loads use .460 Starline brass, Winchester Large Pistol primers. CED M2 chrongraph for velocities. Extreme Penetrator, Lead-Free 200 45 1.235 1,295 745 2.75 46 11.8 Hodgdon CFE Pistol 1,434 913 2.64May 5, 2023 ... The .460 Rowland® Whisperer 290gr HC ... The .460 Rowland® Whisperer: ( 290 Grains of Hard Cast Lead Traveling @ 1016ft/sec !!! ) This Silent ...A wonderful Subscriber sent me a .460 Rowland Conversion Kit. A friend installs it on his gun and is letting me use it for the channel. Thank you to both the...460 Rowland Gemini-Defense 200gr BJFP 1400 fps & 870 ft-lbs 460 Rowland Buffalon Bore 255gr HCFN 1300 fps & 957 ft-lbs Compared to typical 45 loads the 460 Rowland rounds were loud enough to get other folks noticing. The recoil was definitely more than the 45 rounds I was shooting, but with the compensator it was simply a bigger …Let US do all this work for YOU by ordering a COMPLETE 460 ROWLAND FNX from 460rowland.com. 1:00 - Extra Power Mag Spring Installation . 2:13 - Polishing The Breech Face. 3:35 - The 460 Rowland Configuration . 5:11 - The .45ACP Configuration. See less. Comments.Just drop this barrel and upgraded recoil spring assembly into your Glock 19 Gen 3 or Gen 4 and enjoy cycling our 960 Rowland ammunition, which is balistically equivalent to the .357 Magnum! You will still be able to cycle your regular 9mm through your new converted gun! INCLUDES: New Glock 19 barrel converted to .960 Rowland®The 460 Rowland V2 Recoil Damper is a precision-machined “micro-motor” designed to manage slide speed and recoil. It consists of a piston and cylinder coupled with our 30-50,000 cycle reaction spring. It actively slows the slide, regardless of force, in the last inch and a half of travel, working much like the air brakes on a semi truck. ...And very soon we will be introducing the Suppressor-Friendly .460 Rowland® Whisperer! Designed to be sub-sonic, the suppressible Whisperer will be a meaty 300 grains quietly introducing its target to a demonic 666 ft. lbs of muzzle energy. Take one hog after another without scattering the drift as you drive the aptly-named …Buffalo Bore offers .460 Rowland® ammunition, a new cartridge that is squarely at mid 44 magnum power levels and can be used in 1911 style pistols. The ammunition is flash suppressed, reloads fast, and holds nine …See the power of a 460 Rowland conversion with a Dan Wesson 1911. If you’re ready to upgrade your handgun to a truly superior recoil system that will not bre...NO… Our .460 Rowland® is a true .45 caliber cartridge. It will feed reliably from any .45 ACP magazine. The purpose of the extra 1/16″ casing length is to ....460 Rowland.223 Rifle Acknowledgements. We'd like to personally and specifically thank Pat Childs at Fin & Feather in Iowa City, as he not only helped get most of our ammunition and other supplies, he was the brilliant gunsmith who worked with us to make this insane project much more practical. Without his help all of ...Johnny’s 240 gr Hollow Point is a Heavyweight Magnum that expands reliably and hold together at .460 Rowland® velocities. Born as a .452, we resize to .451. 50 Rounds for $75.00 . NOTICE: Limit 5 boxes per order. As soon as your label is created, a tracking number will be sent to the email you provide upon checkout! Glock 21 Gen 3-4 .460 Rowland Conversion. $ 452.23. BACKORDER NOTICE: If you are placing an order for this item your card will be charged upon check out. Placing a backorder will secure your place in line as well as the current price. Due to industry-wide strain on supply chains and manufacturing, shipping could potentially be delayed 4 to 8 ... 1.1K views, 24 likes, 3 loves, 6 comments, 7 shares, Facebook Watch Videos from 460 Rowland: Install of our V2 Recoil Damper System into a 5" Colt 1911 converted to 460 Rowland. Watch. Home. Live. Reels. Shows. Explore. More. Home. Live. Reels. Shows. Explore. Install of our V2 Recoil Damper System into a 5" Colt 1911 converted to 460 …The maximum towing capacity of the Ford Ranger models from 2007 through 2009 is 2,460 pounds. This is lower compared to the 2006 Ford Ranger, which had a maximum towing capacity of...
Sep 26, 2023 · Similarities 1. Versatility.460 Rowland – Despite its reputation for power, the .460 Rowland is versatile. It can be used for both self-defense and hunting. Its ability to deliver substantial stopping power makes it suitable for personal protection, while its energy and penetration make it effective for taking down medium-sized games. . Van halen 1984
Our solution is the .460 Rowland® Weighted Rear-Sight Replacement, affectionately known as The Rowlanator. First developed for the very small, but elementally tough, .45 Caliber Springfield XDm 3.8″ Compact, we immediately applied it to the very popular Glock-30. Both guns benefit greatly by its addition and we recommend its use on several ...Sep 9, 2011 · The .460 Rowland is one of the most unique chamberings of the modern era. It was the side project of wildcatter, gun TV celebrity, and shooting enthusiast Johnny Rowland. His basic idea was to ... The MAIN reason I want double stack so bad, other than to have 15 shots of .460 Rowland power, is simply because of my big paws being too big for good fit on conventional single stack 1911s. With single stack 1911, I have to put wrap around grips on them in order to fit my big hands. Double stack guns fit me MUCH better, especially after …With the 460 Rowland conversion, the compensator is ABSOLUTELY necessary. Without the comp. the backthrust from the gases would override the slide mass and spring tension, being abusive to the slide and frame. This is why no one will do a conversion without a comp. I agree that getting the conversion together is a PITA with …Here at .460 Rowland®, we’re committed to preserving Johnny’s innovative spirit, designing products that elevate your high capacity .45 ACP handgun to new heights. Forget the 10mm vs. .460 Rowland debate; the .460 Rowland reigns supreme, offering significantly more speed, kinetic energy, and penetration. Be wary though, counterfeit .460 ...With the 460 Rowland loaded to published max, the 230 grain bullet pretty well duplicates the ballistic energy values of a 44 mag 240 grain factory load from a 4-6 inch barreled gun. Instant understanding of "relativeness", as the 44 mag load has a long record of published performance results.This is some footage I've collected of the MechTech CCU. It's a great pistol attachment and really diversifies what the 1911 platform can do.Blemished 460 Rowland 1911 Commander Conversion #007. $ 448.62 $ 310.00. Sale! Lightly Blemished 460 Rowland 5″ 1911 Conversion Kit. Black Barrel and Black Comp #006. $ 342.00 $ 315.00. Sale! Used 460 Rowland 5″ 1911 Conversion Kit. Black Barrel and Black, Hoodless Comp #005. This complete gun will come with everything you need to cycle both .460 Rowland and .45 ACP! Complete FDE FNX, converted to .460 Rowland and shipped to your FFL Two 15 round Magazines, Extra Power Mag Springs installed Checkered polymer frame 5.3″ cold hammer-forged, stainless steel barrel Threaded muzzle to accept sound suppressors, compensators and other accessories Low-bore axis for ... The very best prices for in-stock 460 Rowland Ammo | Best 460 Rowland Ammunition - AmmoSeek.com. Reviews Deals Help Documentation Blog FAQ About Advertising Friends/Partners Contact Us. Log In / Join Log In / Join. …The 460 Rowland bullets range from 80 gr to 260 gr. You would find rounds of 10mm spanning from 175 gr to 230 gr. The Rowland proves to be more potent, boasting higher muzzle velocity and greater bullet energy compared to the 10mm. This increased power provides the 460 Rowland with an advantage over the 10mm. The 460 Rowland was produced by shortening 45 Winchester Magnum brass. The 45 Win Mag was designed to run @ 40,000 PSI. Not the same as a 45 ACP case. Rowland has been able to get close to the 45 Win Mag performance by using newer powders that were not available when the Win Mag was designed.11. Mar 24, 2018. #1. Hello, new to the site here. Decided to join since I figure this place would be the best place to ask this question. I would like to be able to safety shoot suppressed 45 super loaded to 460 rowland specs, so a 185 grain jhp at 1575 FPS from a 5 inch barrel, in a semi auto Mac 10 clone. Specifically the vmac45.Developed by wildcatter Johnny Rowland, the .460 Rowland takes an existing .45-caliber handgun bullet designed for use in the popular .45 ACP and loads it into a lengthened case that's still sized ....