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The Saint · July 23rd, 2008, 11:57

A M120 is liable to go beyond 400fps.

You shouldn't need to change anything other than the spring. G&G mechboxes come with everything you'd need to support up to a 400fps spring. Wear will increase with a stronger spring, but it should be fine because the increase is only moderate.

Try a Modify SP100 spring, SP110 at the most. The SP100 brought my GR16A3 from 360fps to ~395fps. I think the SCAR barrel is shorter than 509mm, so you should get less than my numbers.

July 23rd, 2008, 11:57	#4
The Saint Trader rating Join Date: Jan 2005 Location: Quebec	A M120 is liable to go beyond 400fps. You shouldn't need to change anything other than the spring. G&G mechboxes come with everything you'd need to support up to a 400fps spring. Wear will increase with a stronger spring, but it should be fine because the increase is only moderate. Try a Modify SP100 spring, SP110 at the most. The SP100 brought my GR16A3 from 360fps to ~395fps. I think the SCAR barrel is shorter than 509mm, so you should get less than my numbers. __________________ "The Bird of Hermes is My Name, Eating My Wings to Make Me Tame."