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Gas block coil pins for the BRN-4. These pins are the correct size pins to use with the Brownells BRN-4 gas blocks and all the BRN-4 barrels. These pins will also work with the HK416/MR556 platform as well. Packaged two per pack. Mfg: Brownells

In stock 294 Items
  • Product Type
  • Hunting & Archery Equipment
  • Merchant
  • Brownells
  • Availability
  • Instock

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