VLTOR Gas Block, .750, Black GB-2C

KAK Industry Low Profile Gas Block 0.75", Black

Midwest Industries Micro Gas Block 0.62", Black

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

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

ONE HORSE Low Profile Steel Gas Block .750 DIA

JP Enterprises D2 2-Piece Low-Profile Adjustable Gas Block w/Detent Adjustment 0.75", Black

JP Enterprises D2 2-Piece Low-Profile Adjustable Gas Block w/Detent Adjustment 0.88", Black