Features:

Reduced Felt Recoil: The buffer uses a two-piece reciprocating body and a custom captured-spring design to absorb and disperse recoil, significantly reducing muzzle flip and felt recoil
Faster Follow-Up Shots: Smoother recoil and reduced bolt bounce allow you to stay on target and recover faster — great for rapid-fire or follow-up accuracy
Drop-In Upgrade: Purpose-built for carbine-length AR-15 buffer tubes
Includes Buffer + Flatwire Spring Kit: Comes complete with the K-SPEC buffer, a flatwire buffer spring (optimized for recoil management), and an install tool
Eliminates Bolt Bounce: The reciprocating buffer design reduces bolt bounce, improving reliability and smooth cycling
Made in the USA: Built by KAK Industry, delivering mil-spec-quality manufacturing and attention to durability

Specifications:

Material:

Body: 6061-T6 Aluminum
Weight: Tungsten or Steel

Finish: Anodized
Weight:

H1: 3.8 oz
H2: 4.7 oz
H3: 5.5 oz

Length: 3.38"

Compatibility:

AR-15 with carbine-length buffer tube

Includes:

1x K-SPEC AR-15 Carbine Buffer
1x Flatwire Buffer Spring
1x Buffer Installation Tool

Details:

KAK’s K-SPEC Enhanced Buffers take the standard Mil-Spec carbine buffer and rework it into a smoother, quieter, and better-behaved component—without requiring any changes to your gas system or overall rifle setup. If your AR feels a little sharp in recoil, noisy inside the tube, or unsettled during rapid fire, this buffer is designed to smooth out those rough edges while keeping the operation fully reliable.

Smoother Cycling with Controlled Internal Movement

Inside the K-SPEC buffer, the internal weights ride on extended-length tracks with polyurethane spacers that limit the abrupt, rattling motion common in traditional buffers. Instead of the typical clatter and spring resonance, the weights move in a more controlled, linear path. The result is less vibration, less impact at the end of the stroke, and a cleaner return as the bolt goes back into battery. You notice it most during fast strings: the rifle settles more quickly, and the recoil pulse feels more uniform and predictable.

Durable Materials for Real-World Round Counts

The buffer body is made from anodized aluminum, giving it corrosion resistance and long-term durability even in high-fouling environments. Depending on the model weight you choose, the internal weights are steel or tungsten—materials that hold up well to heat, carbon, and the repetitive shock of cycling. Everything about the design is built for rifles that actually get shot, not just spec-sheet comparisons.

Drop-In Installation with Immediate Improvements

Swapping to the K-SPEC buffer is as simple as depressing the retainer and dropping it in—no tuning, no fitment headaches, and no additional components required. The difference is noticeable right away: less noise inside the receiver extension, reduced bolt bounce, smoother recoil impulse, and a general sense that the rifle is cycling with more control and refinement.

A Simple Upgrade That Improves the Whole Shooting Experience

For shooters who want a more composed carbine that feels cleaner and more controlled without adjusting gas, springs, or other internals, the KAK K-SPEC Enhanced Buffer offers a meaningful improvement with a fast, drop-in install. It keeps your rifle reliable while making it feel more balanced and predictable on the line.