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CMMG
Overview
The CMMG Replacement Barrel Kit is designed to provide a 16.10-inch barrel chambered in .22 LR for your AR-15 or Mk4 platform. The black nitride finish enhances durability and corrosion resistance while maintaining the barrel's integrity during extended use. This barrel is ideal for builds focused on precision shooting or those looking to minimize recoil, making it a popular choice among builders who want a versatile, lightweight option for training or plinking.
CMMG Replacement Barrel KIT 22D7C4A, 16.10\" 22 LR, 4140 Chromoly Steel Black Nitride, Fits AR-15/MK4.
Prices checked
Availability is good for the CMMG Replacement Barrel KIT 22D7C4A, 16.10\" 22 LR, 4140 Chromoly Steel Black Nitride, Fits AR-15/MK4.: it was in stock at one retailer or another nearly every day in September 2026, and today all 6 retailers we track have it in stock. Prices barely moved in September 2026, holding around $204.99, so there haven't been real sales lately. Buying today, the lowest price is $201.99 at Ammunition Depot, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
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