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Posted: 12/7/2007 3:42:55 PM EDT
| How difficult would it be to change out the low profile gas block on an S&W M&P-15T with a traditional sight post/block? I realize the quad rail would need some cutting. Id like the option of mounting a bayonet in addition to having a solid sight post. Think its worth it? I have Troy BUIS mounted already. |
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