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Troy Low Profile Gas Block |
August 13, 2010 |
| Reviewer:
Mathew Bishop
from Cookeville, TN United States
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Works great on my DS M4 style barrel very tight fit. It is short and will not cover the second hole drilled out for the factory sight. Would be great for new barrels. It is only 1 inch would be perfect if it was 1 inch longer for those of us replacing the factory front sight .
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