Brownells
Overview
The Brownells BRN-4 416/MR556 COMPLETE BOLT CARRIER GROUP is a bolt carrier group. Compare prices from multiple merchants and find the best deal.
Specifications
BRN-4 416/MR556 COMPLETE BOLT CARRIER GROUP
Available Merchants(1)
Prices checked
Stock Alert
September 2026 on GunPartPicker
Brownells BRN-4 416/MR556 COMPLETE BOLT CARRIER GROUP ranked #108 of the 217 bolt carrier groups builders added on GunPartPicker in September 2026.
It was out of stock everywhere we track for all of September 2026, and today the one retailer we track is out of stock. Listed prices start at $299.99 at Brownells for when it comes back.
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