This TacFire Mil-Spec buffer tube kit is designed for AR-15/M4 rifles and provides the common carbine buffer components needed for a 6-position stock setup. The kit includes the buffer tube, buffer spring, buffer, end plate and castle nut, plus a six-position stock with a QD swivel and butt pad for adjustable length of pull. Components are provided as a matched kit to support carbine-length receiver extensions and common AR-15 builds.
Key Specifications
- Includes a 6-position stock with QD swivel and butt pad for adjustable length of pull.
- Includes a Mil-Spec 6-position buffer tube compatible with mil-spec receiver extensions.
- Includes a carbine-length buffer spring intended for carbine setups.
- Includes a regular end plate for standard installation.
- Includes a 3 oz. buffer supplied with the kit.
- Includes a castle nut for secure assembly of the end plate and receiver extension.
This kit provides the essential mil-spec components for configuring a carbine-style stock on an AR-15/M4 platform. Its componentized approach makes it suitable for builders and owners replacing or upgrading the receiver extension and stock hardware while retaining standard, mil-spec interfaces.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




