LBE Unlimited AR-10 .308 Rifle Length Buffer, Gold
LBE UnlimitedThe LBE Unlimited AR .308 Rifle Length Buffer is a precision-engineered drop-in recoil management solution designed specifically for AR-10, LR-308, and SR-25 platform rifles, delivering reliable cycling performance with zero gunsmithing required.
- Compatible with AR-10, LR-308, and SR-25 rifle platforms
- Drop-in installation with no modifications or gunsmithing needed
- Rifle-length design at 5.285" for fixed, non-collapsible stock configurations
- Sturdy aluminum body paired with precision steel weights for durability
- Optimized 5.4 oz weight for smooth, consistent bolt carrier cycling
- Proudly manufactured in the USA by LBE Unlimited
Who This Is For
This buffer is ideal for AR-10 and LR-308 owners running fixed or non-collapsible rifle stocks who want a reliable, American-made drop-in replacement buffer. Whether you're building a new precision .308 rifle or refreshing a worn buffer on an existing setup, this is a straightforward upgrade that supports consistent semi-automatic function under a variety of .308 WIN loads.
Specifications
| Brand | LBE Unlimited |
|---|---|
| Model | AR .308 Rifle Length Buffer |
| Compatible Platforms | AR-10, LR-308, SR-25 |
| Buffer Length | 5.285" |
| Weight | 5.4 oz |
| Body Material | Aluminum |
| Weight Material | Steel |
| Stock Compatibility | Fixed / Non-Collapsible Only |
| Country of Origin | USA |
| Installation | Drop-In, No Modifications Required |
Frequently Asked Questions
Will this buffer work with my collapsible or adjustable stock setup?
No — this is a rifle-length buffer measuring 5.285" and is designed exclusively for use with fixed, non-collapsible rifle buffer tubes found on AR-10, LR-308, and SR-25 platforms. If your rifle uses a carbine or adjustable stock with a shorter buffer tube, you will need a carbine-length buffer instead.
Do I need to modify my rifle to install this buffer?
Not at all. The LBE .308 Rifle Length Buffer is a true drop-in replacement part. Simply remove your existing buffer from the rifle buffer tube and install this one in its place — no tools, drilling, or gunsmithing required. It's designed to factory fit dimensions for AR-10 and LR-308 pattern rifles.
How does buffer weight affect the performance of my .308 AR?
Buffer weight plays a key role in managing bolt carrier group (BCG) velocity during the firing cycle. A properly weighted buffer — like this 5.4 oz rifle-length unit — helps slow the BCG enough to allow reliable extraction and feeding while reducing felt recoil and wear on your components. Running too light a buffer in a .308 platform can cause battering of the lower receiver, while too heavy a buffer may cause short-stroking and failures to feed.
Reviews
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AR10 buffer
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