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Brownells M4 Upper Receiver Assembly 5.56x45mm Nato 16″

$399.99 $349.99

Comes With the Basic Stuff Installed – Customize With the Key Components of Your Choice

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SKU: 2175201825529487 Category:

Description

Available exclusively from Brownells, the Ballistic Advantage M4 Upper Receiver comes fully assembled with all the small parts installed. Just add the charging handle, bolt carrier group, and muzzle device you want and install it on the mil-spec lower receiver of your choice. Ballistic Advantage gave this M4 upper receiver a top-quality FN barrel with a true G.I. M4 profile, including the M203 grenade launcher cutout up front to give it an authentic military look. Made out of extra-hard 4150 steel the barrel has button broached 1-7″ rifling to stabilize any standard 5.56 bullet, with M4 feed ramps for reliable feeding of rounds into the chamber. Bore and chamber are chrome lined Mfg: Brownells

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Brownells.com

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