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This BCA AR-15 complete 12.7x42 rifle length upper has a 10.5" parkerized Heavy barrel, and features a 1:20 twist rate, with a carbine length gas system. It includes a 9.5" MLOK Rail, an M4 flat-top billet upper receiver, a BCA AR15 bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 12.7x42 is compatible with any mil-spec AR-15 lower.
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*Note – We strive to provide the most accurate photographs of our product. Variations may occur in the skeletonized section of the handguard/flash hider you receive.
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|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||49/64 x 20|
|Caliber||12.7 x 42|
|Feed Ramp||Single Feedramp|
|Gas System||Pistol Length|
|Gas Block System||0.936|
|Charging Style||Right Side Charging|