PWS Enhanced Buffer Tube, 308 Model - 4BT308B1

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PWS Enhanced Buffer Tube, 308 Model - 4BT308B1


Quick Overview

SKU: 60002
UPC: 60002
MFR#: 4BT308B1


Construction  6061 Al
Length  8.25”
Diameter  1.15”
Width  1.8”
Weight  5.8 oz

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Enhanced Buffer Tube

Machined from one piece of 6061 aircraft-grade aluminum, PWS engineers were able to pack more features into the PWS buffer tube.

Goodbye Castle Nut

Eliminating the castle nut, the PWS EBT’s unique indexing screw & plate system ensures secure fit and precise alignment.

Carrier Tilt

Features a lip that extends into the receiver to support the back of the carrier to compensate for carrier tilt.

QD Attachments

Unlike aftermarket items, PWS EBT QD attachments are machined directly into the aluminum for durability and weight savings.


MK1 buffer tubes are fluted, creating channels for debris, and feature four drain holes on the bottom to allow for faster water drainage.

SKU: 60002
SKU 60002
Brand Primary Weapons Systems
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SKU: 60002

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