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The SB-PT is specifically designed for a perfect fit with the Sig Tac SB15 Pistol Stabilizing Brace.

Includes:

- Pistol buffer tube
- Locking collar
- Receiver end plate
- Hex wrench

Specifications:

- Specifically designed for a perfect with the with Sig Tac SB15 Pistol Stabilizing Brace (Sig Tac SB15 not included)
- Unique locking collar prevents SB15 from rotating and moving forward
- 10.5 - 14.5 length of pull
- Matte black Type III hard anodize finish
- Receiver end plate designed with ambidextrous sling attachment points and QD mount (no Castle Nut required)
- Weight: 4.8 oz.
- Uses standard carbine buffer and carbine buffer spring