CMMG
Overview
The CMMG Barrel and BCG KIT 8in 4140CM SBN 40 S&W is a barrel. Compare prices from multiple merchants and find the best deal.
Specifications
Price and stock
The CMMG Barrel and BCG KIT 8in 4140CM SBN 40 S&W was hard to find in September 2026, in stock on only 6 of the 11 days we checked, and today only CMMG has it in stock. The best price drifted down from $499.95 to $409.99 over September 2026 without a real sale. Buying today, the lowest price is $499.95 at CMMG, above September's low of $409.99, so a better deal may come back.
Prices checked · refreshed daily across 37 retailers
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