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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Magnum AR Project
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<blockquote data-quote="Masczek" data-source="post: 2808514" data-attributes="member: 100797"><p>No patent yet, but it's on my radar once I have the final version done. I have a "big bore" style extension, other than that nothing is modified. In all honesty, I probably don't need much of a feed ramp since the mag sits high enough to align the cartridge to the bore. I shot factory 6.5 PRC ammo through it the other day without any feeding problems. I'll take a couple closeup photos of the mag and barrel extension so you can see what I'm talking about. The other modification I forgot about is the BCG. I have to make the bottom part of the BCG a little more narrow so it will fit between the feed lips on the magazine. I'll take a picture of that too so you can see what I'm talking about.</p><p></p><p>It's a stock big bore LR308 extension, no modifications. I'm using both a KAK extractor as well as a modified LR308 extractor. I'm guessing the KAK extractor is very similar to what I modified (a larger cutout for the rim and removing one rubber washer from the extractor spring). I don't see any signs of hard extractions yet.</p><p></p><p>I should have mentioned, with the fluted barrel and no scope, the rifle weighs in at 8lbs 11oz. It probably could be lighter with a carbon fiber barrel and handguard.</p></blockquote><p></p>
[QUOTE="Masczek, post: 2808514, member: 100797"] No patent yet, but it's on my radar once I have the final version done. I have a "big bore" style extension, other than that nothing is modified. In all honesty, I probably don't need much of a feed ramp since the mag sits high enough to align the cartridge to the bore. I shot factory 6.5 PRC ammo through it the other day without any feeding problems. I'll take a couple closeup photos of the mag and barrel extension so you can see what I'm talking about. The other modification I forgot about is the BCG. I have to make the bottom part of the BCG a little more narrow so it will fit between the feed lips on the magazine. I'll take a picture of that too so you can see what I'm talking about. It's a stock big bore LR308 extension, no modifications. I'm using both a KAK extractor as well as a modified LR308 extractor. I'm guessing the KAK extractor is very similar to what I modified (a larger cutout for the rim and removing one rubber washer from the extractor spring). I don't see any signs of hard extractions yet. I should have mentioned, with the fluted barrel and no scope, the rifle weighs in at 8lbs 11oz. It probably could be lighter with a carbon fiber barrel and handguard. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Magnum AR Project
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