Description
MPN: AR15-LIGHTWEIGHT-CARBINE-BUFFER-SET
Features:
- Lightweight Buffer for Tuned Builds: Reduces reciprocating mass to help fine-tune cycling in properly set up AR-15 rifles
- For Tuning Specialty Sub-Sonic Loads: Ideal for dialing in rifles running sub-sonic ammunition where standard buffer weights may over-cycle or short-stroke
- Improves System Responsiveness: Lighter mass can allow smoother function in carefully tuned gas systems
- Carbine-Length Compatibility: Fits standard AR-15 carbine receiver extensions (buffer tubes)
- Great for Adjustable Gas Systems: Best suited for rifles equipped with adjustable gas blocks or other tuning components
- Made in the USA: Manufactured by KAK Industry with performance-focused machining
Specifications:
- Material: 6061-T6 Aluminum
- Finish: Black
- Weight:
- Orange Bumper: ~1.7 oz.
- Tan Bumper: ~2.2 oz.
- Green Bumper: ~2.6 oz.
Compatibility:
- AR-15 with carbine-length buffer tube
NOTE: This light buffer is for tuning specialty subsonic loads only. It is not intended for use with full-power ammunition, as standard or high-pressure loads can cause excessive carrier speed and increased wear.
Includes:
- 1x Orange Bumper Light Buffer (1.7 oz.)
- 1x Tan Bumper Light Buffer (2.2 oz.)
- 1x Green Bumper Light Buffer (2.6 oz.)
Details:
The KAK Industry Lightweight AR-15 Carbine Buffer is not meant to be a universal upgrade. It’s a specialized tuning component designed for rifles running lower-pressure sub-sonic ammunition where a standard buffer can be too heavy for reliable cycling. By reducing reciprocating mass, this buffer allows the action to move more freely with softer loads that might otherwise cause sluggish operation or short-stroking.
For shooters dialing in a suppressed setup or experimenting with reduced-power sub-sonic rounds, this lightweight buffer provides a direct way to fine-tune the recoil system without immediately changing springs, gas blocks, or other core components.
Reduced Mass for Low-Pressure Loads
Sub-sonic ammunition generates less gas and lower overall system pressure than standard loads. In some configurations, a standard-weight buffer can resist rearward movement just enough to interrupt consistent cycling. The lighter mass of this buffer reduces that resistance, helping the bolt carrier travel fully to the rear and return into battery more reliably with softer ammunition.
When properly tuned, the lighter buffer can also change the feel of the recoil impulse, often resulting in a quicker return to battery and a more responsive cycling sensation.
Simple Drop-In Installation
This buffer is designed for AR-15 platforms that use a carbine-length receiver extension. Installation is straightforward—swap out your existing buffer, perform a function check, and test with your intended sub-sonic load. As with any recoil system change, confirming reliable operation with your specific setup is essential.
A Focused Tool for a Specific Application
The KAK Lightweight Carbine Buffer is best suited for shooters who understand their rifle’s gas and recoil system and are intentionally tuning for sub-sonic ammunition. In the right application, it provides a targeted solution for achieving reliable cycling without overcorrecting elsewhere in the system.
