Bravo Company Manufacturing MK2 Receiver Extension
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Bravo Company
Overview
The Bravo Company Manufacturing Mk2 Receiver Extension is a Mil-Spec carbine buffer tube made from durable 7075-T6 aluminum, designed to withstand the rigors of heavy use. This tube only assembly provides a reliable foundation for your buffer system, ensuring optimal performance in your AR-15 build. It is commonly found in builds featuring a Mid-Length gas system chambered in 5.56 NATO, making it a versatile choice for various shooting applications.
Specifications
Available Merchants(8)
Prices checked
Price Alert
October 2026 on GunPartPicker
Bravo Company Manufacturing MK2 Receiver Extension was the second most added buffer tube on GunPartPicker in October 2026, behind the Bravo Company AR-15/M16 BCM Mil-Spec 6 Position Receiver Extension, with about 7% of all buffer tubes added to builds. Up from #6 in September. Builds with this buffer tube are mostly chambered in 5.56 NATO (70%, then .223 Wylde 12%), split between mid-length (56%) and carbine-length (24%) gas systems, and mostly AR-15 (95%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 5 of the 8 retailers we track have it in stock. Buying today, the lowest price is $49.95 at Brownells, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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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 Bravo Company Manufacturing Mk2 Receiver Extension
| Build | Parts | Total |
|---|---|---|
 | 23 | $2416.86 |
 | 28 | $3983.78 |
 | 29 | $3915.15 |
 | 27 | $3530.54 |
 | 20 | $1645.53 |
 | 27 | $2133.58 |
 | 22 | $1478.42 |
 | 24 | $3233.17 |
 | 33 | $6567.31 |
 | 28 | $3978.87 |
 | 26 | $2392.23 |
 | 28 | $3274.62 |
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