Here's a video I made on my CMP HRA Service Grade, with matching receiver and bolt and correct HRA op rod, bolt, gas cylinder, sites, etc. The trigger group is SA.
http://youtu.be/qQIRqQVFDpE?hd=1
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Here's a video I made on my CMP HRA Service Grade, with matching receiver and bolt and correct HRA op rod, bolt, gas cylinder, sites, etc. The trigger group is SA.
http://youtu.be/qQIRqQVFDpE?hd=1