Lbe Ar 308 Carbine Length Buffer

The LBE AR .308 Carbine Length Buffer is a drop-in recoil management component engineered for AR-10, LR-308, and SR-25 platform rifles configured with carbine-length buffer tubes. Manufactured by LBE Unlimited—a recognized producer of U.S.-made AR components—this buffer delivers consistent performance across AR .308 builds without requiring any modifications to the host rifle or tube assembly.

The buffer measures 2.485 inches in length and weighs 3.8 ounces, combining an aluminum body with internal steel weights to optimize recoil impulse management in intermediate-length buffer tube systems. This weight-to-length ratio is specifically tuned for carbine-tube geometry on .308-class rifles, where proper buffer mass becomes critical for reliable bolt carrier velocity and dwell time. The aluminum construction resists corrosion while maintaining the structural integrity required for sustained fire protocols, and the steel weight stack absorbs and dissipates recoil energy more effectively than lighter polymer alternatives.

This buffer is suited for operators, competitive shooters, and rifle builders running AR-308 platforms in tactical, training, or recreational shooting environments. Proper buffer selection directly affects cycle reliability, carrier tilt, and component longevity—particularly in short-stroke and adjustable-gas-system builds where buffer weight interacts with dwell characteristics. LBE's domestic manufacturing ensures consistent quality control and straightforward availability through U.S.-based tactical retailers.

Carbine-length buffers occupy a middle ground between rifle-length and pistol-length options, offering a balance suited to modern AR-10 builds with mid-length or carbine gas systems. Proper buffer selection is as important to rifle function as gas tube diameter or BCG mass, making compatibility verification essential before purchase.