ROSCO 556NATO/300BLK BCG PHOS BLK

SKU: RSR|ROS-BCG-002
$194.99
ROSCO 556NATO/300BLK BCG PHOS BLK
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Categories: AR Bolt Carrier Groups
Tags: Online Only

These 5.56/300 BLK Bolt Carrier Groups are phosphate-coated with chrome-lined gas key and bolt channel, full-auto rated, properly staked, and the bolts are matched to the barrel. Their Rosco phosphate bolt carrier groups are designed to meet modern carbine shooters' requirements. For their phosphate bolt carrier groups, they team up with the best-Microbest-so the end user receives dependable performance every time. They have also incorporated feedback from consumers and military end users to deliver the products you need, not just what they want to sell. These BCGs meet MIL specifications, with a properly staked gas key and a chrome-lined coating for extended durability. They feature shot peened, MP-tested matched bolts with upgraded extractors, designed to lock perfectly with their extensions for extreme accuracy. Built to withstand full-auto firing and tough use from the end user.

Product Identity
Item # RSR|ROS-BCG-002
Technical Specifications
Available Colors Black

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  • Overnight (1 day): $29.99

⚠ Firearm Transfer (FFL) Information

All firearms must be transferred through a licensed FFL dealer. We cannot ship firearms directly to you — the firearm will be shipped to your local FFL dealer who will complete the transfer.

  • California residents: All transfers comply with CA DOJ regulations
  • 10-day waiting period applies to all California handgun purchases
  • DROS fee applies: ~$37.19 (paid at your local FFL)
  • Background check required through your receiving FFL dealer
  • You must present valid California ID at time of transfer

Questions about FFL transfers? Contact our team — we're here to help make the process smooth and compliant.

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ROSCO 556NATO/300BLK BCG PHOS BLK
ROSCO 556NATO/300BLK BCG PHOS BLK
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