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CMMG
Overview
The CMMG Inc Barrel and Bolt Group Kit is designed for .22 LR builds, featuring a 4.5-inch barrel length that optimizes maneuverability without sacrificing accuracy. Its blowback gas system ensures reliable cycling, making it an excellent choice for those looking to enhance their rimfire shooting experience. This kit commonly appears in compact or lightweight builds where reduced weight and size are key considerations for the builder.
Specifications
Available Merchants(6)
Prices checked
Price Alert
Price and stock
The CMMG Barrel and Bolt Group KIT Medium Taper 22LR 4.5in 4140CM was hard to find in September 2026, in stock on only 14 of the 26 days we checked, and today 3 of the 6 retailers we track have it in stock. The best price drifted down from $312.31 to $239.99 over September 2026 without a real sale. Buying today, the lowest price is $251.40 at Classic Firearms, above September's low of $237.08, so a better deal may come back.
Prices checked · refreshed daily across 37 retailers
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Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
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