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
August 2026 on GunPartPicker
Luth-AR Carbine Buffer - BS-11C ranked #11 of the 88 buffers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it is the ninth most added buffer on the site. Builds with this buffer are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 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 August 2026, under its usual $14.09 to $19.99, so sales do come around. Buying today, the lowest price is $14.34 at Classic Firearms, above August's low of $13.62, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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Frequently Built With
The part most often added in each category by the 31 builds that include this one
Wilson Combat AR-15 Lower Receiver Forged
Rise Armament AR-15 Magazine Release Button - Rise Red
Timber Creek Outdoors AR-15 Takedown Pin Set - Red
Timber Creek Outdoors AR-15 Buffer Tube - FDE
CMMG AR-15 Mil-Spec Trigger KIT
B5 Systems Type 23 P-Grip - Coyote Brown
Builds Featuring This Part
See all 1 →Builds in the community that include the Luth-AR Carbine Buffer - BS-11C
| Build | Parts | Total |
|---|---|---|
 | 22 | $3344.70 |
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