The Luth-AR 9mm-BS11 9mm Carbine Buffer Body is a purpose-built steel buffer designed for reliable operation in AR-platform carbines chambered in 9mm Luger. Measuring 3.25 inches in length with a 0.778-inch diameter and finished in a subdued black, it delivers consistent cycling and smooth recoil impulse in carbine-length buffer tubes.

This dedicated 9mm buffer body is ideal for shooters building or tuning a 9mm AR for range use, training, or competition where dependable function matters. Its weight and dimensions are optimized for use in both mil-spec and commercial carbine buffer tubes, helping maintain proper bolt velocity and overall system balance. Backed by Luth-AR’s reputation for thoughtful engineering and solid manufacturing, it is a straightforward upgrade for any 9mm AR build.

Key Features:

• Manufacturer: Luth-AR
• Model: 9mm-BS-11
• Caliber: 9mm Luger
• Condition: New
• Weight: 5.4 oz
• Length: 3.25 in
• Width: 0.778 in diameter