The TacFire MAR110 A2 Mil-Spec Buffer Tube Kit is a straightforward upgrade or replacement solution for AR-15 rifles chambered in .223 Remington and 5.56x45mm NATO. This kit includes a mil-spec buffer tube, recoil spring, and buffer, giving you the core components needed to run a standard A2 fixed stock on your rifle. The extruded aluminum tube and matched spring and buffer are built for reliable cycling and consistent performance.

Designed specifically for AR-15 .223/5.56 platforms, this kit is ideal for refreshing a worn-out stock system or converting a collapsible 6-position setup to a classic A2 configuration. It suits general range use, training, and everyday rifle setups where dependable function is the priority. TacFire’s focus on practical, well-made accessories is reflected in this kit’s simple, durable construction.

Key Features:

• Manufacturer: TacFire
• Model: MAR110 A2 Mil-Spec Buffer Tube Kit
• For Use With: AR-15 .223 Remington/5.56 NATO Rifles
• Includes: Buffer Tube, 12 3/4" Spring, 6" Buffer
• Material: Extruded Aluminum Buffer Tube, Metal Spring And Buffer
• Color: Black Buffer Tube With Gold-Tone Buffer
• Weight: 11.9 oz