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460 Rowland
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<blockquote data-quote="Buck Fever" data-source="post: 1887001" data-attributes="member: 113501"><p>Sure, straight off a Rowland page. How good do you think they want to make 10mm look?</p><p></p><p>If you look at 10mm hand loads made for a Glock 20, they can get spicy. Then you look at how a conversion barrel in a Glock 21 has more steel in the barrel and a more fully supported chamber than a factory Glock barrel. It's not a good idea to try and run velocity that will blow up a Glock 20 but a conversion barrel is insurance.</p><p></p><p>A 460 Rowland barrel in a Glock 21 has less margin because it has the amount of steel Glock thinks is appropriate for .45 ACP except it's running 500 fps faster. The chamber is probably supported better but there isn't anywhere else to put more metal.</p><p></p><p>I don't know if there is a better platform for 460 Rowland. There probably isn't a cheaper one than a Glock 21. A 1911 seems like a bad choice to me, the barrel lugs and slide get beat up by .45 ACP if they aren't fit just right. You wind up with an expensive and highly stressed gun in a 460 Rowland 1911. I think I read FN and S&W are being used. I don't know anything about the durability of those.</p><p></p><p>If you are trading the durability and power of a super magnum revolver for capacity and speed in an semi-automatic pistol, I'm thinking you are going to want the most robust pistol you can find.</p><p></p><p>For me, 10mm in a Glock 21 with a 6" barrel for more muzzle velocity and an extended slide for more mass to keep slide velocity under control is a sweet spot and the bullets work with it to make a deep penetrating, expanding bullet wound without the need for a compensator.</p><p></p><p>Every way you go it seems like the negatives outweigh the positive until you jump to a 44 Magnum, 480 Ruger, .454 Casull or .475 Linebaugh. I would say .500 S&W but they are just so big I barely see them as handguns.</p><p></p><p>That's why I have a 10mm converted Glock 21 and my step up is a 475 Linebaugh.</p></blockquote><p></p>
[QUOTE="Buck Fever, post: 1887001, member: 113501"] Sure, straight off a Rowland page. How good do you think they want to make 10mm look? If you look at 10mm hand loads made for a Glock 20, they can get spicy. Then you look at how a conversion barrel in a Glock 21 has more steel in the barrel and a more fully supported chamber than a factory Glock barrel. It's not a good idea to try and run velocity that will blow up a Glock 20 but a conversion barrel is insurance. A 460 Rowland barrel in a Glock 21 has less margin because it has the amount of steel Glock thinks is appropriate for .45 ACP except it's running 500 fps faster. The chamber is probably supported better but there isn't anywhere else to put more metal. I don't know if there is a better platform for 460 Rowland. There probably isn't a cheaper one than a Glock 21. A 1911 seems like a bad choice to me, the barrel lugs and slide get beat up by .45 ACP if they aren't fit just right. You wind up with an expensive and highly stressed gun in a 460 Rowland 1911. I think I read FN and S&W are being used. I don't know anything about the durability of those. If you are trading the durability and power of a super magnum revolver for capacity and speed in an semi-automatic pistol, I'm thinking you are going to want the most robust pistol you can find. For me, 10mm in a Glock 21 with a 6" barrel for more muzzle velocity and an extended slide for more mass to keep slide velocity under control is a sweet spot and the bullets work with it to make a deep penetrating, expanding bullet wound without the need for a compensator. Every way you go it seems like the negatives outweigh the positive until you jump to a 44 Magnum, 480 Ruger, .454 Casull or .475 Linebaugh. I would say .500 S&W but they are just so big I barely see them as handguns. That's why I have a 10mm converted Glock 21 and my step up is a 475 Linebaugh. [/QUOTE]
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