Description
The Strike Industries Short Pistol Buffer Kit provides a compact receiver extension solution for AR pistol/PDW platforms. Machined from 7075-T6 aluminum with an anodized finish, this kit includes SI’s tungsten-powder filled buffer and a flat-wire buffer spring to promote reliable cycling over extended service life. The tube features an anti-rotation tab that engages the buffer retainer and an integral QD socket at the rear for push-pull sling setups. Compatibility is listed as standard Mil‑Spec AR-15 lower receivers.
Key Specifications
- The tube is machined from 7075-T6 aluminum for increased strength.
- The finish is listed as anodized for corrosion resistance.
- The buffer tube length measures 5.5 inches.
- The buffer tube outer diameter is 1.247 inches.
- The buffer tube inner diameter is 1 inch.
- The buffer tube weight is approximately 3.7 oz.
- The included buffer is tungsten-powder filled and weighs about 1.8 oz.
- Includes an SI flat-wire buffer spring for consistent cycling.
- Features an anti-rotation tab that locks over the buffer retaining plunger.
- Rear of the tube has an integral QD socket for push-pull sling attachment.
This kit is a practical upgrade for shooters building compact AR pistol or PDW-style platforms who value durable materials and proven cycling components. The combination of a 7075-T6 tube, tungsten-powder buffer and flat-wire spring delivers a dependable, space-efficient receiver extension with user-friendly sling integration and anti-rotation retention.





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