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View Full Version : MR2 Bolt Upgrade


THUNDR
04-07-2009, 07:08 AM
What's the point of the upgrade? I've heard the 2-oring bolt helps but what does it do? Does the 3-oring bolt help more?

sneekypete
04-07-2009, 02:42 PM
MR-2 are really bad for Blow back and the o-rings on the bolt help stop that.

slim and shady
04-07-2009, 06:19 PM
:yeahthat: the 3 oring one is real hard on detents though so stear clear of that one.

THUNDR
04-10-2009, 08:24 AM
OK, so you guys all think a 2 o-ring one is a good investment?

AcidicT
04-10-2009, 01:17 PM
very good investment. i use a 18v fasta and now my gun has no "popcorning" whatsoever and shoots full-auto w/ no problems. just be sure to lube the hell out of it

THUNDR
04-10-2009, 01:18 PM
OK cool. Thanks for the info guys.