Black Rain Ordnance
Black Rain M16/AR15 Black Nitride SPEC15 Series bolt/carrier group BCG
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Black Rain Ordnance complete black nitride M16/AR15 bolt/carrier group (BCG). This does NOT make your firearm automatic and is legal in a semi-auto AR15. Magnetic Particle inspected "MP". This is for 223/5.56/300 BLK.
Bolt is made of Carpenter 158 steel. Made in the USA.