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9/22/2017 12:11:25 AM
Posted: 8/10/2005 6:34:11 PM EDT
[Last Edit: 8/10/2005 6:37:26 PM EDT by ifish4u]
Looking to put a A.R.M.S.S.I.R 45M on a new MEGA M4-A3 I just finished, anyone try this, how was the fitthanks in advance.
Link Posted: 8/10/2005 7:20:08 PM EDT
As long as the flat top upper is within spec, it should work. The SIR does'nt use any part of the lower for attachment. With the "M" model, you'll loose the delta ring.
Link Posted: 8/11/2005 4:42:23 AM EDT
it will fit fine



Link Posted: 8/11/2005 5:12:50 AM EDT
[Last Edit: 8/11/2005 5:14:37 AM EDT by VTDefender]
According to their site, the #45 has been discontinued. (It said discontinued for a while and is now not on the site at all.) Same with the #46

If you're looking to buy new......and you don't want a bi-level system, go with a #50M with toprail. It's pretty much the equivalent of the #46 but comes in M version and lacks the built in PEQ-2 mount. (They do have a PEQ-2 toprail that can take the place of the railed toprail)

And as has already been said....unless your upper is WAY off it will fit with no problem.
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