Lantac Ultra Low Profile Gas Block - .750 - Set Screw

Manufactured by Lantac USA
SKU: LA00243
MPN: LA00243
Manufactured by Lantac USA
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NOTE: Limit 5 per household. Quantities exceeding 5 will not allow checkout.

We are fully staffed and processing orders. Standard orders are shipping in approximately 1 business day or less. FFL orders take approximately 5 business days or less if you can provide us an actively receiving FFL location.



The GB750-S is designed to fit .750” gas seat diameter barrels and utilizes two set screws to secure the block in place. Gas port hole placed correctly at .295” from the shoulder. Includes (2) #10-32 X .125'' set screws and gas tube roll pin.

  • 4140 gun barrel steel
  • Black phosphate finish
  • Laser engraved
  • Ultra-low profile
  • Gas seat diameter: .750''
  • Length: 0.875''
  • Weight: 1.2 oz
  • Made in the U.S.A.

LANTAC USA manufactures the highest quality accessories for AR-15/M16 pattern rifles. Precision made in the U.S.A., rifles, muzzle brakes and more.
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BrandLantac USA
FinishManganese Phosphate
MaterialSteel - 4140 Chrome Moly
Size.750 in
TypeLow Profile

WARNING: This Product can expose you to chemicals which is known to state of california to cause Cancer and Reproductive Harm. For more information, see

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