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Brownells
Overview
The Brownells BRN XM177E2 5.56mm 11.5" BBL 1-7 Twt Upper Pin/Weld W/4x21mm is a barrel. Compare prices from multiple merchants and find the best deal.
Specifications
BRN XM177E2 5.56mm 11.5" BBL 1-7 Twt Upper Pin/Weld W/4x21mm
Available Merchants(1)
Prices checked
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Build history on GunPartPicker
Builders on GunPartPicker first added the Brownells BRN XM177E2 5.56mm 11.5" BBL 1-7 Twt Upper Pin/Weld W/4x21mm to a build in August 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, but today the one retailer we track is out of stock. The best price crept up from $148 to $159.99 over September 2026.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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