Atchison 22 conversion kit.

I bought a used AC conv kit for about 150~200 ( Ican't remember) bucks off the EE. By itself it didn't work in my upper (it was too long by a few mm's). I ended up taking a grinder/sander to it to shave off a few mm's, and replaced the springs with new ones from lakeside machine. now it functions fine with subsonics, high velocity, anything.
and I bought my BDM's from questar. so that should be a good priciing reference.
 
got a well used one on the ee (m16 version with orig 30 rnd mag)

would NOT work untill i replaced the springs with the lakeside machine springs now it works 99% with the bulk federal stuff from can tire (other ammo not so much)

my BD mags have been 100%

works very well with my colt m16a1 upper 1/12 twist rate
 
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