Riflespeed AR-15 Adjustable Gas Block with Quick Lever - 2.1" Length - Set Screw - .750"

Superlative Arms Clamp-On Direct Impingement Adjustable Gas Block 0.875" x 1", Black

Superlative Arms Clamp-On Direct Impingement Adjustable Gas Block 0.875" x 1", Gray

Superlative Arms Solid Set Screw Direct Impingement Adjustable Gas Block 0.875" x 1", Gray

Superlative Arms Solid Set Screw Direct Impingement Adjustable Gas Block 0.936" x 1", Gray

Superlative Arms Solid Set Screw Direct Impingement Adjustable Gas Block 0.875" x 1", Black

Superlative Arms Clamp-On Direct Impingement Adjustable Gas Block 0.936" x 1", Black

Superlative Arms Solid Set Screw Direct Impingement Adjustable Gas Block 0.936" x 1", Black