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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
AR10 malfuction help
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<blockquote data-quote="Kevin Thomas" data-source="post: 687569" data-attributes="member: 15748"><p>Scottyd,</p><p> </p><p>no apoloigies needed here, as I didn't think you were "misleading me". Hey, we all make typos, myself included, and I just wanted to make sure we were clear and on the same sheet of music. Regardless, I doubt this is a charge weight issue if you're anywhere near the ballpark numbers we'd discussed. Something else likely going on here. Others have mentioned the gas rings, the carrier key being staked properly and several other potential problem spots; all good comments and certainly worth a look. No one has asked about your reloading practices yet, and I'd like to know a bit more about that. What type of sizing are you using? Full Length, at least? Small Base may be a worthwhile consideration, if you're not already using it. Many folks miss the fact that SB sizing not only makes the rounds chamber more positively, but it also allows them to extract a bit more easily, too. Might be worth a try, if you're not already doing so. As I've said repeatedly, gas guns are a whole different world, and things that aren't an issue at all for a bolt gun, suddenly become real problems when the ammo is stuffed into a gas gun.</p><p> </p><p>Our coach wants us (Lewis and Clark Shooters Association, the team I shoot with) to field a 1,000 yard Service Rifle team for Perry next year. To that end, we're building clones of the M110s the Army has been using. USAMU's posted some very respectable scores with these already, so the platform is a proven design. So well, in fact that they've abandoned their M16s altogether for the long range matches, and are now using the M110s. Oddly enough, they'd gotten rid of all their M14s, and just come back to the position that even with high velocity 80 and even 90 grains bullets, the 5.56mm just can't match what you can do with a 30 cal. round at distance. So that's where the M110 idea came from. As for what we're building, they have to conform to the NRA regs for a competitive Service Rifle; standard stock and pistol grip, a floated fore end with four sided Picatinny rail, and a flat top (A4 configuration) upper fitted with detachable carrying handle rear sights, and a gas block with a detachable front sight tower. In short, just what the USAMU has been using. As far as the optional stuff, a Gisselle trigger, weighted stock, a Satern cut rifled barrel and Satern pinned/modified rear sights. Like I said, only so much you can to to a Service Rifle and stay within the class. Virtually all mods are internal. Sort of like a NASCAR stock car, they have to retain the basic outward appearance of the factory item. Just very different under the hood. Be a while before we're up and running on these, just a collection of parts right now. The barrels are being drilled this week, and will be getting rifled within a week or two after that. Long slow process (or so it seems), but it's a long way off to Perry right now.</p></blockquote><p></p>
[QUOTE="Kevin Thomas, post: 687569, member: 15748"] Scottyd, no apoloigies needed here, as I didn't think you were "misleading me". Hey, we all make typos, myself included, and I just wanted to make sure we were clear and on the same sheet of music. Regardless, I doubt this is a charge weight issue if you're anywhere near the ballpark numbers we'd discussed. Something else likely going on here. Others have mentioned the gas rings, the carrier key being staked properly and several other potential problem spots; all good comments and certainly worth a look. No one has asked about your reloading practices yet, and I'd like to know a bit more about that. What type of sizing are you using? Full Length, at least? Small Base may be a worthwhile consideration, if you're not already using it. Many folks miss the fact that SB sizing not only makes the rounds chamber more positively, but it also allows them to extract a bit more easily, too. Might be worth a try, if you're not already doing so. As I've said repeatedly, gas guns are a whole different world, and things that aren't an issue at all for a bolt gun, suddenly become real problems when the ammo is stuffed into a gas gun. Our coach wants us (Lewis and Clark Shooters Association, the team I shoot with) to field a 1,000 yard Service Rifle team for Perry next year. To that end, we're building clones of the M110s the Army has been using. USAMU's posted some very respectable scores with these already, so the platform is a proven design. So well, in fact that they've abandoned their M16s altogether for the long range matches, and are now using the M110s. Oddly enough, they'd gotten rid of all their M14s, and just come back to the position that even with high velocity 80 and even 90 grains bullets, the 5.56mm just can't match what you can do with a 30 cal. round at distance. So that's where the M110 idea came from. As for what we're building, they have to conform to the NRA regs for a competitive Service Rifle; standard stock and pistol grip, a floated fore end with four sided Picatinny rail, and a flat top (A4 configuration) upper fitted with detachable carrying handle rear sights, and a gas block with a detachable front sight tower. In short, just what the USAMU has been using. As far as the optional stuff, a Gisselle trigger, weighted stock, a Satern cut rifled barrel and Satern pinned/modified rear sights. Like I said, only so much you can to to a Service Rifle and stay within the class. Virtually all mods are internal. Sort of like a NASCAR stock car, they have to retain the basic outward appearance of the factory item. Just very different under the hood. Be a while before we're up and running on these, just a collection of parts right now. The barrels are being drilled this week, and will be getting rifled within a week or two after that. Long slow process (or so it seems), but it's a long way off to Perry right now. [/QUOTE]
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AR15/10 Rifles
AR10 malfuction help
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