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Posted: 8/8/2022 7:02:06 AM EDT
[#1]
Quoted: Would I have had the same experience if I used a taper mount (Plan B, Plan A, Rearden, Xeno, etc.)? My understanding is, yes. A good taper design like Xeno or Plan A should give you a repeatable zero. Plus the added benefit of a secure mounting that won't loosen when heating up. However, I think the reason your groups tightened vs. bare muzzle is the weight on the end of the barrel dampened harmonics. |
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Posted: 8/8/2022 9:57:53 AM EDT
[#2]
Taper mounts are repeatable in poi to better than 1/8 moa. They return to position within about .0015” at 7.25” of length. I haven’t tested direct thread systems to compare that quality.
The dampening of harmonics I once saw in a big way on an FN Scar, which taps the gas system and induces whip from that tap. More often it is stabilizing the firearm through putting weight on a long lever so to speak that promotes shooting tighter groups. It acts as an anchor of sorts providing some centripetal inertia or resistance to movement about an axis. |
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Posted: 8/8/2022 5:32:41 PM EDT
[#3]
Quote HistoryQuoted: @Mageever @Green0 My understanding is, yes. A good taper design like Xeno or Plan A should give you a repeatable zero. Plus the added benefit of a secure mounting that won't loosen when heating up. However, I think the reason your groups tightened vs. bare muzzle is the weight on the end of the barrel dampened harmonics. I agree with everything you said. One good thing about the taper systems is that it's not sensitive to torque like a direct thread setup. For direct thread to be used correctly, it should really be tightened down with good torque, and that slope is steep. Hand tightening might get you 5-10 ft-lbs and will eventually come loose--which is the worst situation to be in with a suppressor. 5-10 ft-lbs on a taper system is easily repeated by hand and it fully secures for repeatability and doesn't come loose easily. |
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Posted: 8/8/2022 5:40:28 PM EDT
[#4]
DT works, that's for sure. But as Green0 stated with a whole lot more knowledge on the subject than I, the taper mount is better.
I'm a fan of the Plan A mount to the can, and the minimalist flash hider MD. I need to get another set of these some day.. Rock solid setup on my 10.5" with a YHM Turbo-K. |
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