The Luth-AR A2 Rifle Buffer Tube (brand part no. BS-09) is a fixed-length receiver extension built for A2-style rifle stocks on both .223/5.56 AR-15 and .308 AR-10 platforms. It’s the correct tube for a traditional fixed A2 buttstock rather than a collapsible carbine stock, giving the rifle the classic rifle-length profile and length of pull.

Key Specifications

• Built for fixed A2-style rifle stocks, not collapsible carbine stocks.
• Compatible with both .223/5.56 AR-15 and .308 AR-10 platforms.
• Provides the standard rifle-length receiver extension profile.

Frequently Asked Questions

Does this work with a collapsible stock? No, it’s built for a fixed A2-style rifle stock.

Does it fit AR-10 platforms? Yes, it’s compatible with both .223/5.56 AR-15 and .308 AR-10 rifles.

Buy the Luth-AR A2 Rifle Buffer Tube, .223/.308

Order the Luth-AR A2 Rifle Buffer Tube from our Luth-AR lineup of AR buffer system parts for fast, insured shipping direct to your door.