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hello gang. I've been outta the loop for awhile working on other projects. Now that I've got some time I went to the range with a wrench for my adjustable gas tube on my M1S 300/221 barrel.
I am using a 16" M1S 300/221 barrel, standard stock and buffer situp and AR15 bolt carrier.
On last report I tried the 220 Corbon and found as you did it didn't cycle the bolt. I opened my adj gas tube all the way up today and it ejected the spent casing, but would not pickup a new round. I'm going to take the barrel off tonight and measure the gas port. If it comes out under .120 that will be my next step. I'll open it and send it off to have it threaded. I'm working on this for a suppressor project. Does anyone know how a suppressor will effect the function if any?
I'm assuming that there would be noticable function changes if it's functioning with 220gr before it should function after.
I'll let you all know what I have to do to get mine to cycle like a champ, but I agree with Jripper that for the $$$ these are a good buy. We also could help them out by letting them know about the hole diameter fix so future 300/221 don't suffer our problems and shoot the company down.
Thanks for everyones input here it has really helped me.
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