LBE Unlimited AR-15 Pistol Buffer Tube, Black - PBT-Black
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LBE Unlimited
Overview
The LBE Unlimited AR-15 Pistol Buffer Tube is a mil-spec tube designed specifically for pistol builds, ensuring compatibility with a range of AR-15 components. Made from 6061-T6 aluminum and finished with a hardcoat anodized layer, this black buffer tube provides durability and a reliable foundation for your firearm. This buffer tube commonly appears in builds chambered in 5.56 NATO, making it a solid choice for those looking to create a compact and effective setup.
Specifications
August 2026 on GunPartPicker
LBE Unlimited AR-15 Pistol Buffer Tube, Black - PBT-Black ranked #16 of the 64 buffer tube kits builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since May 2026. All time, it ranks #19 of the 136 buffer tube kits builders have added. Builds with this buffer tube assembly are nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 6 of the 9 retailers we track have it in stock. The best price crept up from $18.33 to $19.93 over August 2026. Buying today, the lowest price is $19.38 at BattleHawk Armory, above August's low of $18.33, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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We ranked every buffer tube assembly by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Buffer Tube Assembly Guide →Frequently Built With
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