AR-15 RIFLE RECEIVER EXTENSION & BUFFER KIT

Brownells AR-15 RIFLE RECEIVER EXTENSION & BUFFER KIT
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Brownells

Overview

The Brownells AR-15 RIFLE RECEIVER EXTENSION & BUFFER KIT is a buffer tube assembly. Compare prices from multiple merchants and find the best deal.

Specifications

MPNC12_078000358
Buffer Tube TypeRifle
AssemblySet

Available Merchants(1)

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In Stock
$72.59

Build history on GunPartPicker

Builders have been adding the Brownells AR-15 RIFLE RECEIVER EXTENSION & BUFFER KIT to their builds on GunPartPicker since April 2026. All time, it ranks #115 of the 183 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 $72.59, so there haven't been real sales lately. Buying today, the lowest price is $72.59 at Brownells, which matches the best price we saw in September.

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