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BC-10 AR-10 Slick Side Upper with an 18 inch Parkerized heavy barrel, 1:10 twist, mid-length gas system, and a 15 inch MLOK split rail. Built on a billet M4 flat-top upper receiver and includes a Bolt Carrier Group and Charging Handle. Compatible with 1st gen DPMS low-profile lowers. This Slick Side 308 upper has no forward assist or dust cover.
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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.
6 min read