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BCA AR-15 Complete Upper Assembly, 16" 4150 Parkerized Contour Barrel, 5.56 NATO, Mid Length Gas System, 1:7 Twist w/ 15" MLOK

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BCA AR-15 Complete Upper Assembly, 16" 4150 Parkerized Contour Barrel, 5.56 NATO, Mid Length Gas System, 1:7 Twist w/ 15" MLOK

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In stock

SKU: UA556MM41617(P)-(15)MLOK
$349.99

Details

The BCA Complete Upper Assembly has a 16" m4 contour barrel made out of 4150 chrome moly vanadium steel with 1:7 twist rate and a  mid-length gas system. The assembly includes a 15" m-lok rail, an m4 flat top forged upper receiver with forward assist, a BCA bolt carrier group, birdcage flash hider and charging handle. It is chambered in 5.56 NATO and machined with M4 feed ramps in barrel extension.

The BCA upper assembly, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and upper receiver assemblies includes test firing prior to approval and shipment. This upper assembly is also backed by our BCA limited lifetime warranty. Choose an upper assembly designed by a U.S. company and made in the U.S.A. Choose BCA.

Additional Information

SKU UA556MM41617(P)-(15)MLOK
Weight 4
Length 16
Profile M4 Contour
Twist 1:7
Finish Parkerized
Material 4150 Chrome Moly Vanadium
Thread Pitch 1/2 x 28
Caliber 5.56 NATO
Feed Ramp M4
Flutes N/A
Gas System Mid Length
Gas Block System No
Gas Hole Diameter No
Charging Style Rear Charging
Color No
Dimpled No
Product Type N/A

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