Thread: M4/M16 Thread
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Old June 30th, 2016, 21:49   #1606
AnthonyG
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Join Date: Aug 2014
Location: Pickering/Toronto
Quote:
Originally Posted by Flavio View Post
Did you have to change your spring? I haven't cronoed mine but the note on the box says it's between 380 and 400fps. I'm not sure if I should change it to a 100 or 110 so I can be below the indoor limit of 380fps.
Out of the box the chrono was a bit wild. I got readings mostly between 385-395. I changed to a Lonex M110 and brought it down to 365-375. Still a bit wide of a range.

Quote:
Originally Posted by Wilkie View Post
Now I want a 9.5" CMR rail. It's impossible to have just one AR
Mine's actually the 11" variety. I wanted a bit more space to under-mount my flashlight.
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