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CMMG
Overview
The CMMG Barrel Sub-assm 8 Mt 4140CM SBN 5.7x28mm Only Compatible With Rdb BCG is a barrel. Compare prices from multiple merchants and find the best deal.
Specifications
CMMG Barrel Sub-assm 8 Mt 4140CM SBN 5.7x28mm Only Compatible With Rdb BCG
Available Merchants(1)
Prices checked
Price Alert
Price and stock
Availability is good for the CMMG Barrel Sub-assm 8 Mt 4140CM SBN 5.7x28mm Only Compatible With Rdb BCG: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $299.95, so there haven't been real sales lately. Buying today, the lowest price is $299.95 at CMMG, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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