>> YOUR LINK HERE: ___ http://youtube.com/watch?v=VH_fZNldI4o

Brownells Gun Tech™ Caleb Savant shares some nuggets of wisdom about AR-15 gas block alignment. A misaligned gas block is one of the most common causes of ma...

AR-15, gas block, gas block alignment, misaligned gas block, installing gas block, gas port, barrel shoulder, gas block dimples on barrel, Brownells Quick Tip
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