[Parts] Sons Of Liberty Gun Works M4-EXO3 5.56 AR-15 Barreled Upper Receiver Group - 13.7" - $399.95 | Midwest Industries AR-15 Lower Receiver Block - $25.95 | Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined - $99.95
Microbest BCG Chrome — View all deals
Live
5.56 NATO
21
25
$399.95
236% above avg
Based on 51 tracked Microbest BCG Chrome deals:
avg $119 |
low $5 |
high $449
Posted December 19, 2025 · ar15discounts.com · Dealer Post · u/ar15discounts
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