Armaspec SMB™ Buffer Kit – AR-15 GEN3 – Buffer Tube, End Plate, Castle Nut

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Mitigate Recoil and Elimate Buffer Sound on Your Next AR Build

The Armaspec SMB™ Buffer Kit – AR15 GEN3 is a premium buffer system upgrade designed to provide enhanced recoil management, durability, and smoother cycling for AR-15 and AR-10 rifles while reducing the loud buffer sound that happens with traditional designs. This all-in-one kit includes a Mil-Spec buffer tube, end plate, and castle nut, offering everything you need for a reliable and optimized buffer system.

Features

Precision-Machined Buffer Tube – Made from high-strength 7075-T6 aluminum, ensuring maximum durability and a secure fit.
SMB™ (Silent Mitigation Buffer) System – Reduces recoil and minimizes spring noise, delivering smoother and quieter operation.
Mil-Spec Castle Nut & End Plate – Designed for secure, rock-solid assembly with no unwanted movement or rotation.
Drop-In Compatibility – Fits Mil-Spec AR-15 lower receivers, making installation quick and easy.
Corrosion-Resistant Finish – Anodized for wear and corrosion resistance, ensuring long-lasting reliability.

Specifications

Brand: Armaspec
Model: SMB™ Buffer Kit – AR15 GEN3 – Buffer Tube, End Plate, Castle Nut
MPN: ARM268
Fit: AR-15 and AR-10
Buffer Weights: Carbine, H1, H2, H3, 9MM, and AR-10
Finish: Anodized and Stainless
Material: Aluminum and Steel

Products available on this page:

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Armaspec Lifetime Warranty

All Armaspec products carry a LIFETIME WARRANTY and are warranted to be free from defects in material or workmanship.
Should there be a defect, we will repair or replace the product at our discretion at no cost to you.
Lifetime warranty does not apply to products sold as “blemished” or “manufacturer refurbished”.
You must have proof of purchase to initiate a WARRANTY claim.

Please email to rma@armaspec.com to request an RMA number.