CMMG AR15 Gas Block Assy, Low Profile, .625
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CMMG
Overview
The CMMG AR-15 Gas Block Assembly features a low-profile design with a .625-inch diameter, making it ideal for builds that require a streamlined appearance and compatibility with a variety of handguards. Constructed from steel, this gas block is durable and designed to withstand the rigors of shooting while providing effective gas regulation. It's commonly found in lightweight or compact AR-15 builds, where minimizing weight and maintaining a sleek look are priorities for the builder.
Specifications
Available Merchants(8)
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Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the CMMG AR15 Gas Block Assy, Low Profile, .625 to a build in March 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 7 of the 8 retailers we track have it in stock. It dipped to $28.97 at BattleHawk Armory for a stretch in September 2026, under its usual $29.98 to $38.08, so sales do come around. Buying today, the lowest price is $32.82 at Classic Firearms, above September's low of $28.97, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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