CMMG ZEROED AR-15 .750″ Adjustable Gas Block
Original price was: $84.95.$79.95Current price is: $79.95.
The CMMG ZEROED Adjustable Gas Block features a 20-position detent screw and a unique sacrificial cleanout chamber that keeps excess carbon from fouling the gas pathway. Gas nitrided 4140 steel construction for hardened, long-term durability.
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The CMMG ZEROED Adjustable Gas Block sets itself apart with a sacrificial cleanout chamber — a dedicated space where excess carbon can collect rather than foul the gas pathway. That means the block stays user-serviceable without a full teardown, and your gas system keeps running cleanly over the long haul. A 20-position detent adjustment screw lets you fine-tune gas flow for suppressed or unsuppressed shooting, while a gas nitrided finish over 4140 steel delivers corrosion resistance that goes well beyond standard phosphate coatings.
- Gas Block Diameter: .750″
- Material: 4140 Steel / 17-4 Stainless
- Finish: Gas Nitride
- Adjustment: 20-position detent screw
- Cleanout Chamber: Sacrificial, user-serviceable
- Type: Set Screw, Low Profile
- SKU: CMMG55DA31F
What’s Included:
- (1) Gas Block
- (1) 6″ 3/32″ Hex Wrench
- (1) Roll Pin
Compatible Platforms: AR-15 and AR-style rifles with .750″ barrel diameter
| Weight | .65 lbs |
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