CARBINE LENGTH BUFFER TUBE KIT PWS

PWS Enhanced Buffer Tube Kit with Ratchet Lock Castle Nut & Endplate

The PWS Enhanced Buffer Tube Kit is hands-down one of our favorite buffer tube systems — we love its precise fit and finish, and the innovative ratcheting castle nut system makes installation a breeze. Whether you’re building a new AR-15 or upgrading an existing one, this premium kit is designed to deliver superior reliability, durability, and hassle-free installation.

Crafted from impact-extruded 7075 aluminum, this buffer tube provides outstanding strength while keeping weight low and ensuring full mil-spec compatibility. The unique ratcheting castle nut and endplate system completely eliminates the need for staking — simply tighten it down securely with a standard castle nut wrench and you’re good to go.

We’ve tested this kit extensively with various adjustable stocks and it consistently delivers a tight, smooth fit. When paired with a quality buffer and a flatwire spring, you’ll notice smoother cycling, reduced wear, and enhanced overall performance.

Key Features:

• Material: Impact-extruded 7075 aluminum

• Weight: 4.3 oz

• Finish: MIL-A-8625 F, Type III, Class 2 hardcoat anodized

• Compatibility: Mil-Spec AR-15 platforms

• Extended Carrier Support Lip: Promotes smoother cycling and reduced tilt

• Lightening Cuts: Saves about 1 oz compared to standard tubes

• Fluted Design: Helps clear debris for reliable function

• Six Stock Positions: Engraved position numbers for fast, repeatable adjustments

• Enlarged Drain Holes: Quickly clears water and debris

• Ratcheting Castle Nut & Endplate: Easy installation with no staking required

Why We Recommend It:

• Exceptional Fit & Finish: Precise machining and hard anodizing for maximum durability

• Effortless Installation: The ratcheting system locks solidly without needing to stake

• Smooth Fitment: Works perfectly with popular adjustable stocks

• Our Preferred Setup: We recommend pairing it with the PWS Buffer and Strike Industries Flatwire Buffer Spring for top-tier reliability

Includes:

• PWS Enhanced Buffer Tube

• Ratchet Lock Castle Nut

• Ratchet Lock Endplate

Upgrade your rifle with a buffer tube kit we trust on our own builds — the PWS Enhanced Buffer Tube Kit stands out for its rock-solid performance, simple installation, and excellent finish.