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Brownells 75th Anniversary - A Shooting Heritage

Steel bolt is shot-peened for extra surface hardness, then magnetic particle inspected (MPI) for cracks and flaws to ensure reliability and long service life. Models available for rifles chambered in 5.56mm/.223. Comes completely assembled, with gas rings, extractor, and ejector installed.


AR-15, Issue:11, Page:012
Big Book Catalog, Issue:73, Page:018
Big Book Catalog, Issue:73, Page:032

SPECS: Carpenter 158 steel, phosphate coated, matte black.

DD-9302 5.56 BOLT ASSY
5.56 Bolt Assembly

Mfr Part: 0401322183

Online Only
In Stock

Cartridge: 223 Remington, 5.56 mm NATO, 300 AAC Blackout

Finish: Matte Black