Cause I can't leave anyhting alone.....
Bought an SCR 2 weeks back.
Started tinkering....
Problem 1
Due to the rounding of the lower receiver, the .22 conversion unit did not fit.... but I have two conversion units, so lets have soem fun.....
A little dremmel and grinder work.
One on the left is my modified unit, on the right is factory.
In the upper
Problem 2
firing pin length.
due to the different hammer, the spacing is off for making contact with the firing pin.
Not the best shot, but here you can see the back of the firing pin and the hammer and the space between the two when the hammer is dropped.
So how do we fix this....
if I had a metal lathe.,.. easy... but I don't.
So were gunna weld an extention onto the pin.
factory pin
Welded a rod to the pin, cut it down, ground it smooth. only issue is my welder can't do very precise jobs, need TIG for that....
So I had to lose the shelf. I found out after I did this that you can mod a standard AR firing pin to fit and the shelf is perfect on that, so I'll be doing that in the near future, but for the time being the existing one is beveled out wider at the end and the cross pin that goes between the notch should keep it in place. I need to replace it before i shoot too much though as I don't want the bevel to wear the opening in th eback of the bolt too much....
Installed, hammer contact. Only added ~1/8th of an inch.
Test fired 5 rounds in the basement. Works perfect!
Factory unit on bottom, modified on top
Good firing pin contact. You can see the retangular mark coming off the top of the hummingbird's head.
So yeah... I may be the only person in the world right now with a working .22 conversion unit for the Ares SCR