The CMMG Zeroed Adjustable Gas Block .750″ Nitride 4140 Steel is engineered for accurate gas regulation on AR-pattern rifles with a .750″ barrel gas journal. Its nitride-treated 4140 steel construction supports precision control over gas flow to optimize cycling under varied loads and suppressor use.
The adjustable design allows shooters to fine-tune gas pressure, promoting reliable operation with reduced recoil and minimized wear on internal components. The gas block’s Zeroed mechanism provides enhanced consistency during adjustment with tactile feedback.
Constructed from hardened 4140 steel with a nitride surface finish, this gas block delivers durable corrosion resistance and longevity under repeated firing conditions. Its configuration offers meaningful impact on rifle tuning and overall performance without compromising barrel integrity.
Key Features:
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CMMG Zeroed Adjustable Gas Block
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.750″ diameter gas block interface
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Nitride-treated 4140 steel construction
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Adjustable gas flow regulation
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Fine-tuning capability for loads and suppressors
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Designed for AR-pattern rifles
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Precision machining
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Durable corrosion-resistant finish
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Compact gas block profile
Manufacturer Specifications:
Finish: Nitride
Material: 4140 Steel
Gas Block Diameter: .750″
Type: Adjustable gas block
Part Number: 55DA31F
Compatibility: AR-pattern rifles with .750″ gas journal
Origin: Manufacturer listed production
FAQ:
Q: What size gas journal does this gas block fit?
A: It is designed for barrels with a .750″ gas journal diameter.
Q: Can this gas block be adjusted for suppressed use?
A: Yes, the adjustable design allows fine-tuning for suppressed and unsuppressed operation.
Q: What material is used in its construction?
A: It is made from nitride-treated 4140 steel for strength and corrosion resistance.
Q: Is this gas block compatible with all AR rifles?
A: It is compatible with AR-pattern rifles that use a .750″ diameter gas block interface.
Brought to you by Black Bayou Armory.
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