AR-10/LR308 Rifle Length Buffer Tube Assembly Mil Spec Diameter - For Rifle Buffer Tube, 5.4 oz Buffer, & Rifle Length Spring

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Breek Arms brings you an all in one assembly at an extremely affordable price that contains all the components needed to mount a Rifle Length Buttstock of your choice to an AR-10 or LR308 rifle. This Rifle Length Mil Spec Diameter Tube (1.14") will function on any standard AR-10 or LR308 Lower Receiver and accept any Rifle Length stock - for an A1 stock the buffer tube can be used as is, for the slightly longer A2 stock add on the included spacer and insert it into the stock on the end of the buffer tube. Note that a longer A2 length buttpad screw is included, but not the short A1 screw.

The 4 Piece Rifle Length Buffer Tube Assembly Kit includes all of the following...

  • Mil Spec Rifle Length Buffer Tube
  • Buffer Spring
  • 5.4 oz Recoil Buffer
  • Extension for A2 stock, with longer A2 length Buttpad Screw

Not for use in the AR-15 platform - see our AR -15 Rifle Length Assembly

Product Specs

Material: 7075 Aluminum

Finish: Hard Coat Anodized - Black

Style & Size: Rifle Length - Mil-Spec Diameter

Tube Outer Diameter: 1.14 inches

Tube Length: 10 Inches

Buffer Length: 5.25 Inches

Buffer Extension Spacer Length: 5/8 Inch

5 Reviews Hide Reviews Show Reviews

  • 5
    Reciver extention

    Posted by Shawn on Aug 9th 2021

    I bought this as a spare. The buffer is exactly correct on weight (I always weight them), the tube is correct and the spring seems to be decent quality.

  • 5
    Nice product

    Posted by Justin Sharp on Sep 2nd 2019

    Fit and finish was as nice tubes that cost twice as much. Very happy with my purchase.

  • 5
    Perfect for my needs

    Posted by Chandler S. on Aug 2nd 2019

    Easy to assemble and install. Solid spring. Good weight. Minimal recoil and reliable cycling.

  • 5
    308 Rifle Length Buffer Tube Assembly

    Posted by Derek C. on Oct 15th 2018

    Product works flawlessly with my dpms and the item shipped very fast. I will be doing more business with Breek Arms in the future.

  • 5

    Posted by Lauren H. on Aug 14th 2018

    Perfect fit thanks