Griffin Armament Maritime AR-15 Receiver Extension

Manufactured by Griffin Armament
Manufactured by Griffin Armament
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The Griffin Armament Maritime Receiver Extension is built to Mil-Spec dimensions with six positions of adjustment for your carbine stock. What improves this design of other standard designs is the 7 ports to allow gas, water, oil, and debris to be expelled from the operating system and reduce pressure. This Maritime Carbine Buffer Tube is machined from 7075-T6 aluminum and hardcoat anodized black.

  • 6 position carbine length
  • 7 drainage ports
  • 7075-T6 aluminum construction
  • Hardcoat anodized
Griffin Armament produces serious use products with exceptional quality at a fantastic value. Designed with real world experience and built in the U.S.A., their product line has the parts you need. They're built to last a lifetime and backed by their perpetual lifetime warranty.
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BrandGriffin Armament
FitmentMIL-SPEC - 1.14 in
MaterialAluminum - 7075-T6
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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