The TacFire AR-15 6-Position Mil-Spec Buffer Tube Kit with Standard End Plate (brand part no. MAR047A) is a complete kit built either to replace a damaged stock system or to transition a fixed-stock build over to a 6-position collapsible stock. TacFire packages everything needed in one box: a mil-spec 6-position buffer tube, a 3 ounce buffer, a carbine-length buffer spring, a regular end plate, and a castle nut, so you are not sourcing individual parts separately. It is a straightforward way to get a complete, compatible buffer system installed in one pass.

Key Specifications

• Includes a mil-spec 6-position buffer tube.
• Ships with a 3 ounce buffer.
• Includes a carbine-length buffer spring.
• Comes with a regular end plate and a castle nut to complete the assembly.
• Weighs approximately 10.2 oz, keeping it lightweight for easy carry.

Frequently Asked Questions

What does this kit include? A mil-spec 6-position buffer tube, a 3 ounce buffer, a carbine-length buffer spring, a regular end plate, and a castle nut.

Can I use this to transition from a fixed stock? Yes, it is built to allow a fixed-stock build to accept a 6-position collapsible stock.

Buy the TacFire AR-15 6-Position Mil-Spec Buffer Tube Kit

Rather than sourcing a buffer tube, buffer, spring, end plate, and castle nut separately, this TacFire kit puts a complete mil-spec buffer system in one box. Shop more TacFire gear or browse our rifle stocks selection, and order it from our Lubbock, Texas gun shop for fast, direct-to-you shipping.