Strike Industries AR Receiver Extension Buffer Tube with 7 Positions

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The Strike Industries is proud to introduce improved 7-position Aluminum receiver extension MIL-SPEC diameter buffer tube. It will allow users to have finer control of their length of pull. If you have ever felt that your length of pull was in between two settings on a standard buffer tube. The tube's shortest length of pull position is as compact as a fully collapsed M4 carbine butt stock while its longest 7th position stretches the stock to be slightly longer than that of an M16A2 fixed stock. Our end plate is jam packed with loads of features. The first one being a quick detach (QD) build into it for true ambidextrous shooting. It also incorporates easy attachment points on both sides for slings so you can use just about any sling on the market. This kit also comes with a receiver nut for collapsible receiver extension, also referred to as a Castle Nut. This mil-spec part with fit both the mil-spec and commercial receiver extensions.


  • 7-position MIL-SPEC diameter buffer tube
  • Extension end plate with QD swivel adapter
  • Fits onto any standard AR15 receiver.
  • Finer length of pull adjustment.

  • Specifications:

  • Material: 6061-T6 Aluminum
  • Available Colors: Black, Red
  • Length: 7.25"
  • Tube Diameter: 1.145"
  • Weight: 3.8 oz.

  • Includes:

  • 1x 7-AR-RE7P-BT
  • 1x AR-RE7P-CN
  • 1x AR-RE7P-QDEP

  • Strike Industries AR Receiver Extension Buffer Tube with 7 Positions