Has anyone tried the 43 grain NSA slugs in their fx impacts?

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Moe, I was just shooting the 43gr out of my MK3 Sniper last weekend @955. Ordered a box of the 47's as well just to compare. The 43's were quite happy out to 100. I do have the newer 1:22 Superior liner in now, it came with the 1:37. Depending on your generation MK2 it could be a 1:37 or 1:26 out of the factory I believe. Hope they work for you.

Patrick
 
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Moe, I was just shooting the 43gr out of my MK3 Sniper last weekend @955. Ordered a box of the 47's as well just to compare. The 43's were quite happy out to 100. I do have the newer 1:22 Superior liner in now, it came with the 1:37. Depending on your generation MK2 it could be a 1:37 or 1:26 out of the factory I believe. Hope they work for you.

Patrick
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Aawesome! Thanks for the info. I guess I have no idea what liner is in here. I'll ask the previous owner. 

Thanks again!

Did you by chance shoot groups at 100? How tight were they?
 
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Moe, was the end of the day when I pulled out the WC to just see what the NSA's did and for a starting point, 950's was tighter than I expected @ 2MOA. I will have time in the next few week to tune it for whichever NSA it likes the best between the 43 and 47's. I noticed you were looking for a new 700 liner and would like to hear your story with what you find.

Patrick
 
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I am shooting the NSA 43 grains with a Superior 600mm liner on a 2nd gen Impact with power plenum and other mods. Also put one of Earnest's carbon fiber liners on the barrel. They shoot well at about 960fps. Only problem I have with them is with the original small magazines about one per mag will turn sideways and jam. Have a CARM magazine on order and hope it works with these slugs because I would like to keep this tune to switch between slugs and JSG 44 grains.
 
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