Luth-AR Carbine Buffer - BS-11C
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Luth-AR
Overview
The Luth-AR Carbine Buffer - BS-11C is a dedicated buffer designed for carbine-length gas systems, fitting seamlessly into a Mil-Spec buffer tube setup. This buffer is essential for optimizing the cycling of your firearm, ensuring reliable function across various multi-caliber configurations. You'll typically find this component in builds that utilize a carbine gas system, making it a versatile choice for your AR-15 projects.
Specifications
Available Merchants(6)
Prices checked
Price Alert
September 2026 on GunPartPicker
Luth-AR Carbine Buffer - BS-11C was the tenth most added buffer on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it is the tenth most added buffer on the site. Builds with this buffer are mostly chambered in 5.56 NATO (73%, then 300 Blackout 18%), split between mid-length (47%) and carbine-length (20%) gas systems, and mostly AR-15 (91%, then AR-10 9%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 4 of the 6 retailers we track have it in stock. It dipped to $13.62 at KY Gun Company for a stretch in September 2026, under its usual $14.99 to $15.99, so sales do come around. Buying today, the lowest price is $14.09 at BattleHawk Armory.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
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B5 Systems Type 22 P-Grip - Black
Timber Creek Outdoors AR-15 Takedown Pin Set - Red
Strike Industries Flat Wire Spring, 10" L X 0.75" ID X 0.94" OD - AR-FWS-P
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Luth-AR Carbine Buffer - BS-11C
| Build | Parts | Total |
|---|---|---|
 | 22 | $3360.84 |
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