1. DoubleStar Race Gun Low Profile Extended Gas Block AR-15, LR-308 Standard Barrel .750" Inside Dia...
    DoubleStar Race Gun Low Profile Extended Gas Block AR-15, LR-308 St...
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  2. EGW Gas Block Single Picatinny Rail Clamp-On AR-15, LR-308 Standard Barrel
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  3. PRI Gas Block Single Picatinny Rail AR-10, LR-308 Standard Barrel Aluminum Matte
    PRI Gas Block Single Picatinny Rail AR-10, LR-308 Standard Barrel A... 3.8 (4 Reviews)
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