The LBE Unlimited ARBF308C is a carbine-length recoil buffer designed for AR-10 platforms and compatible LR-308 and SR-25 based rifles. If you're running a .308 Win AR with a carbine buffer tube and want a straightforward upgrade that requires zero gunsmithing, this drop-in buffer offers a simple way to fine-tune your rifle's recoil impulse and bolt carrier timing. LBE Unlimited manufactures this buffer right here in the USA, combining an aluminum body with steel weights for reliable performance downrange.

Recoil buffers matter more than most shooters realize—they dampen the bolt carrier's rearward travel, which can affect everything from reliability to felt recoil to magazine wear. The .308 Carbine length demands a buffer matched to that specific tube diameter and spring rate, and this one is built for exactly that application. Drop-in installation means no fitting, custom work, or guessing whether it'll function with your setup.

At 3.8 ounces, the ARBF308C is engineered to manage the sharper impulse of a full-power rifle round in a compact platform. Whether you're a precision shooter dialing in your AR-10 for accuracy, a hunter who wants smooth operation, or someone building an intermediate-length .308 platform, a quality buffer that matches your tube length is worth the investment. Made in the USA by a brand focused on parts integrity, not marketing hype.

Key Features

• Drop-in design — no modifications or fitting required
• Aluminum body with steel weights for reliable recoil management
• Specifically engineered for carbine buffer tube AR-10 platforms
• Compatible with AR-10, LR-308, and SR-25 based rifles
• Made in the USA

Specifications

Frequently Asked Questions

Will this buffer work with my AR-10 or LR-308?

Yes—the ARBF308C is designed for AR-10, LR-308, and SR-25 based platforms that use a carbine buffer tube. Confirm your rifle has a carbine-length tube, not a rifle or pistol-length tube, before purchasing.

Is this a drop-in part, or do I need a gunsmith?

This is a true drop-in part. No modifications, fitting, or special tools are required for installation.

What's the difference between a carbine and rifle-length buffer?

Buffer length is matched to tube diameter and spring rate. A carbine-length buffer like this one is specifically dimensioned for carbine buffer tubes commonly found on AR-10 platforms. Using the wrong length can affect reliability and function.