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Engraved Billet Lower
The BCA lower receiver is fully machined, anodized black and billet. This BCA AR 15 complete pistol lower receiver is fully machined, anodized, and forged to mil-spec from 7075 aluminum. Equipped with a brace and an BCA grip, this complete lower assembly is ready for your next build.
Brace: Designed for all platforms capable of accepting a mil-spec carbine receiver extension, 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an integral, ambidextrous QD sling socket.
Product Information:
*Must be 21 Years of Age or Older to Purchase
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A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read
Guide
A neutral guide to component strategies for left-handed shooters, left-eye dominant right-handed shooters, and those managing eye/hand dominance mismatches. Covers ambi uppers, charging handles, gas system tuning, and real-world tradeoffs.
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