Brownells M4 Mil-Spec Buffer Tube Assembly, Black
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Brownells
Overview
The Brownells M4 Mil-Spec Buffer Tube Assembly, Black is a buffer tube assembly. Compare prices from multiple merchants and find the best deal.
Specifications
September 2026 on GunPartPicker
Brownells M4 Mil-Spec Buffer Tube Assembly, Black ranked #33 of the 68 buffer tube kits builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since April 2026. All time, it ranks #38 of the 157 buffer tube kits builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $43.99, so there haven't been real sales lately. Buying today, the lowest price is $43.99 at Brownells, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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