Buffer Tube

The buffer tube (receiver extension) threads into the lower receiver and houses the buffer and buffer spring. It also provides the mounting surface for your stock or brace. Selecting the correct buffer tube is essential for proper fit with your chosen stock and reliable function.

Showing 6 of 6 components

No Selection

Choose a buffer-tube for your build

Enhanced Gen 2 Buffer Tube Ratchet Lock Nut End Plate
Enhanced Gen 2 Buffer Tube Ratchet Lock Nut End Plate
Primary Weapons 5.2 oz
$99.95 In Stock
Enhanced Gen 2 Buffer Tube Ratchet Lock Nut End Plate
Enhanced Gen 2 Buffer Tube Ratchet Lock Nut End Plate
Primary Weapons 5.5 oz
$95.99 In Stock
Primary Weapons Pistol Buffer Tube Kit Mil-Spec Tube Diameter Black Anodized EBT-RLCN-KIT-P
Primary Weapons Pistol Buffer Tube Kit Mil-Spec Tube Diameter Black An…
Primary Weapons 4.3 oz
$99.95 In Stock
Primary Weapons Systems Enhanced Pistol Buffer Tube Ratchet Lock Castle Nut Endplate 4G2BTPB1
Primary Weapons Systems Enhanced Pistol Buffer Tube Ratchet Lock Castl…
Bundle
Primary Weapons 4.3 oz
$76.46 In Stock
PWS Enhanced Receiver Extension Buffer Tube
PWS Enhanced Receiver Extension Buffer Tube
Bundle
Primary Weapons 4.3 oz
$74.95 In Stock
PWS Enhanced Receiver Extension Buffer Tube with A5H2 Buffer Weight and Spring
PWS Enhanced Receiver Extension Buffer Tube with A5H2 Buffer Weight an…
Bundle
Primary Weapons 4.3 oz
$159.99 In Stock
Back to Build Configurator