Waiting for a reply to see if it is comatible with dedicated .22's like the 15-22. Ideas? Thoughts?

Alexander Arms: .17HMR

I'm pretty sure it won't fit. The 15-22 uses most AR-15 parts, but the lower receiver is just a tad wider than a standard AR-15 lower. I'm pretty sure this is the same reason that you can't take .223 upper and fit it on the 15-22.

I still wish some one would come out with a 17M2 barrel set up for the 15-22.With all the spring set ups out there tuning should be a problem.Did a 10-22 conversion that Did well after many trials and errors on springs and bolt handle weights.Slow

i do belive you would still need the spring in the stock for the 17hmr to work

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If the lower on standard platforms is slightly smaller then yeah, it probably wouldn't work. In their response they said it comes with conversion kit and is designed to fit all standard platforms. I assume this means no go