AB ARMS BOLT CARRIER GROUP – 5.56MM AR-15 NICKEL BORON

FEATURES–Needs virtually no lube during use-The manganese phosphate coated extractor has a surface finish that provides superior extraction during firing-These bolt carrier groups are ready to drop into your rifle-Made in USA PRODUCT SPECIFICATIONS: Dimension     1.50 X 3.30 X 10.60 Height     1.5000 Width     3.3000 Length     10.6000 TYPE/COLOR     CARRIER GROUP SIZE/FINISH     AR-15 MATERIAL     STEEL-NICKEL BORON COATED AR-15 ACCESSORY     Y