The Armaspec SRS Buffer Kit, BB, Gen 4 for AR-15 is a buffer kit built around Armaspec’s Stealth Recoil Spring, or SRS (Armaspec part no. ARM263-BB). Armaspec lists this one in the BB configuration and the Gen 4 design. It is made for AR-15 rifles, so it targets an AR-15 buffer system. The BB marking is part of the product name and is the detail that separates it from the other SRS kits.

Key Specifications

• The kit is built around Armaspec’s Stealth Recoil Spring (SRS), the design that gives the kit its name.
• The kit is the Gen 4 version of the SRS, the generation named in the listing.
• The configuration is marked BB, which is the letter pair that tells it apart from the other SRS kits.
• It is made for the AR-15 platform, so it fits an AR-15 buffer system.

Frequently Asked Questions

What does BB mean in the name? BB is the configuration marking for this Gen 4 SRS kit, and it is what separates it from the other SRS kits.

Which rifle platform is it for? It is listed for AR-15 rifles.

Buy the Armaspec SRS Buffer Kit, BB, Gen 4, for AR-15

When the configuration marking matters, BB is the listing to match. It brings the Stealth Recoil Spring design to an AR-15 in the Gen 4 version. Order it from our Lubbock, Texas gun shop for fast, direct shipping, and see more AR buffer system parts.