Undergiver CGN Ultra frequent flyer Rating - 100% 70 0 0 Location ALBERTA Sep 2, 2009 #1 Does any one manufacture a low profile gas block for A1/SP1 profile barrel ?
Undergiver CGN Ultra frequent flyer Rating - 100% 70 0 0 Location ALBERTA Sep 3, 2009 #3 Leg said: Yes. Click to expand... Can you elaborate
