The LBE Unlimited Mil-Spec Buffer Tube (brand part no. MBUF002) is a six-position, mil-spec-diameter receiver extension that fits all collapsible AR-15 stocks built for mil-spec tubes. LBE Unlimited is a leading producer of US-made gun parts, and this tube works equally well as the backbone of a new build or a spare for the parts bin. Among AR buffer system components, a quality mil-spec tube is the piece everything else indexes on.

Key Specifications

• The diameter is mil-spec, fitting stocks built for mil-spec tubes.
• Offers six positions of stock adjustment.
• Finished in black.
• Made in the USA.

Frequently Asked Questions

Is this a mil-spec or commercial tube? Mil-spec diameter, so it fits collapsible stocks made for mil-spec tubes.

How many stock positions does it have? Six positions for length-of-pull adjustment.

Buy the LBE Unlimited Mil-Spec Buffer Tube

A USA-made six-position backbone for your carbine stock is exactly what this mil-spec tube delivers. Order it from our Lubbock, Texas gun shop for fast shipping.