Knights Armament 2H Buffer - KM21057
Only 4 left in stock
Enhance your AR-15’s performance with the Knights Armament 2H Buffer, a precision-engineered heavy carbine buffer designed for reliability in demanding conditions. As a trusted component from Knight’s Armament Company, this 4.5 oz buffer delivers smoother cycling and reduced recoil, making it the ideal upgrade for shooters seeking optimal control during rapid fire or suppressed shooting.
Key Features
- Heavyweight Design: At 4.5 oz, the 2H buffer provides increased mass to slow bolt carrier velocity, minimizing wear on internal components and improving overall longevity.
- Black Anodized Finish: Corrosion-resistant coating ensures durability in harsh environments, perfect for tactical applications.
- Precision Construction: Built to mil-spec standards, compatible with SR-15, SR-16, and SR-25 platforms, as well as standard AR-15 carbine buffer tubes.
- Enhanced Recoil Management: Absorbs and disperses recoil energy, reducing felt kickback and muzzle rise for faster follow-up shots.
Specifications
- Weight: 4.5 oz
- Length: 3.25 inches
- Width: 0.93 inches
- Height: 0.93 inches
- Material: High-strength aluminum with tungsten weights
- Part Number: 21057
Why Choose the Knights Armament 2H Buffer?
Struggling with excessive recoil or inconsistent cycling in your carbine-length gas system? The Knights Armament 2H Buffer addresses these pain points head-on by optimizing dwell time and bolt speed, leading to fewer malfunctions and a more enjoyable shooting experience. Ideal for 14.5-inch to 16-inch barrels, it excels in mid-length and carbine setups, whether running suppressed or unsuppressed. Shooters appreciate its role in extending the life of their firearms while maintaining the legendary KAC quality that professionals rely on.
Don’t settle for standard buffers that compromise performance—equip your build with the Knights Armament 2H Buffer today and feel the difference in every round fired. Upgrade now for superior reliability and control.
Frequently Asked Questions
What makes the 2H buffer different from a standard carbine buffer?
The 2H buffer is heavier at 4.5 oz compared to the standard 3 oz carbine buffer, which helps reduce bolt carrier speed and recoil impulse for better control and reduced component stress.
Is the Knights Armament 2H Buffer compatible with my AR-15?
Yes, it fits standard mil-spec AR-15 carbine buffer tubes and is particularly suited for Knight’s Armament SR-series rifles, ensuring seamless integration.
Does this buffer work well with suppressors?
Absolutely—its added weight softens the increased backpressure from suppressors, promoting smoother operation and less wear on your system.
| Weight | 4.5 oz |
|---|---|
| Dimensions | 3.25 × 0.93 × 0.93 in |
| MPN | KM21057 |
| UPC | 819064014072 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
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