Armaspec SRS Gen 4 Buffer Kit with Mil-Spec Buffer Tube, BB
Armaspec
$108.89
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Armaspec
Armaspec SRS Gen 4 Buffer Kit with Mil-Spec Buffer Tube, BB
The Armaspec SRS Gen 4 Buffer Kit with Mil-Spec Buffer Tube (BB) delivers a complete, drop-in buffer system upgrade for AR-15 platform rifles, combining a precision-engineered multi-stage recoil buffer with all the hardware needed for a full stock assembly installation.
- SRS BB buffer weighs 5.7 oz for optimized cycling and recoil management
- Multi-stage recoil system reduces felt recoil and muzzle rise significantly
- Mil-spec 7075-T6 aluminum 6-position buffer tube for strength and durability
- Includes steel castle nut and end plate — everything needed in one kit
- Compatible with all standard AR-15 pattern lower receivers
- Gen 4 engineering improves on previous SRS generations for smoother operation
Who This Is For
This kit is ideal for AR-15 owners building a rifle from scratch, upgrading a worn or standard buffer system, or seeking a smoother, softer-shooting experience without changing the rifle's external profile. Whether you're a competitive shooter, a home-defense AR builder, or a range enthusiast looking to tame recoil, the Armaspec SRS Gen 4 kit is a straightforward, high-quality solution.
Specifications
| Brand | Armaspec |
|---|---|
| Model | SRS Gen 4 Buffer Kit |
| Buffer Type | SRS BB (Multi-Stage Recoil) |
| Buffer Weight | 5.7 oz |
| Buffer Tube Material | 7075-T6 Aluminum |
| Buffer Tube Spec | Mil-Spec, 6-Position |
| Included Hardware | Buffer, Buffer Tube, End Plate, Castle Nut |
| Platform Compatibility | AR-15 Pattern Firearms |
| Finish | Anodized |
Frequently Asked Questions
What makes the SRS Gen 4 buffer different from a standard carbine buffer?
Unlike a standard single-stage carbine buffer, the Armaspec SRS (Silent Captured Recoil Spring) Gen 4 uses a multi-stage internal design that absorbs and distributes recoil energy more gradually. This results in noticeably reduced felt recoil, less bolt carrier group bounce, and a smoother overall cycling action — especially beneficial for rapid-fire or suppressed shooting applications.
Will this kit work with my AR-15 lower receiver and stock?
Yes. The Armaspec SRS Gen 4 Buffer Kit uses a standard mil-spec diameter 6-position buffer tube, which is compatible with the vast majority of AR-15 pattern lower receivers and mil-spec collapsible stocks. If you are using a commercial-spec stock, note that commercial-spec stocks require a commercial-diameter buffer tube — confirm your stock's specification before ordering.
Is the 5.7 oz BB buffer appropriate for all AR-15 ammunition types?
The 5.7 oz BB buffer weight is well-suited for most standard 5.56 NATO and .223 Rem loads across typical carbine-length and mid-length gas systems. It is particularly effective with suppressed rifles or rifles running hotter gas systems where a heavier buffer helps slow the bolt carrier group for more reliable cycling. If you're running an unusually light load or a pistol-length gas system, consulting Armaspec's buffer weight guide is recommended.
