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CDN_Stalker · May 17th, 2010, 07:43

Well, for starters, I'd be more worried about the mechbox, it's a V2 and can break rather easily up front, either from a heavy spring (M150 could happen within 500 rounds) or a a medium spring and a LOT of rounds shot. I blew out the mechbox on my first MP5, had a PDI 150% spring in it, shot right around 350fps, but because I shot it a lot within the first two months of having it in there, I cracked both halves of my mechbox right under where the front of the cylinder sits (the typical weak point for V2 mehcboxes). Even reinforced mechboxes will crack, they just take longer.

Second, you know an M150 is likely to put that gun to around 500fps, right? Typically spring ratings like that are in meters per second, so that'd be 492fps with 0.20g BBs.

May 17th, 2010, 07:43	#2
CDN_Stalker Official ASC Bladesmith Trader rating Join Date: Jul 2003 Location: Ottawa, Ont.	Well, for starters, I'd be more worried about the mechbox, it's a V2 and can break rather easily up front, either from a heavy spring (M150 could happen within 500 rounds) or a a medium spring and a LOT of rounds shot. I blew out the mechbox on my first MP5, had a PDI 150% spring in it, shot right around 350fps, but because I shot it a lot within the first two months of having it in there, I cracked both halves of my mechbox right under where the front of the cylinder sits (the typical weak point for V2 mehcboxes). Even reinforced mechboxes will crack, they just take longer. Second, you know an M150 is likely to put that gun to around 500fps, right? Typically spring ratings like that are in meters per second, so that'd be 492fps with 0.20g BBs. __________________ STKR Knives http://www.facebook.com/#!/pages/STK...17036668380871 Last edited by CDN_Stalker; May 17th, 2010 at 07:46..