AR15 Picatinny rail gas blocks.
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AR gas blocks machined from 6061 T6 aluminum with top weaver rail. 4 set screws insure a perfect gas seal. Available in 3 sizes, 

.625 A1

.750 HBAR

.937 Bull Barrel

IN STOCK.

AR15 Picatinny rail gas blocks.

Price: $39.95
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