No ratings yet
Be the first to review this product
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 an A2 pistol grip, carbine buffer, mag release, mil-spec trigger, bolt catch, and hammer, this complete pistol lower assembly comes fully ready to attach to your AR 15 upper. This multi-caliber AR-15 lower can shoot any AR15 caliber from 5.56 to .458 SOCOM! AR-15 complete lowers are serialized items that will ship to your chosen FFL.
Brand: Bear Creek Arsenal
Caliber / Gauge: Multi-Caliber
Finish: Hardcoat Anodized - Black
Material: 7075 - T6 Aluminum
Style: Billet
Pattern: AR-15 Pistol
Pistol Grip: A2
Ambidextrous: No
Buffer Tube: Mil-Spec carbine buffer
Stock: None
Assembly: Complete Lower
Caliber Marking: Multi-Caliber
Sponsored
Wheeler Tools
Get your trigger pull exactly right
Wheeler's digital trigger gauge gives you a precise read on pull weight every time.
Shop ToolsHave one to sell?
No Price History Available
Check back later for pricing trends
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertGuide
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.
6 min read