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Posted: 10/23/2004 9:47:31 AM EST
I've just removed my SIR 46, and am mounting my aimpoint with the arms mount directly to the upper receiver. I added the spacer to raise the optic to the same level as it was with the SIR.

It looks like it is more susceptible to getting knocked off line. I bumped it firmly with the heel of my hand a couple times, and it seems that the reticle did indeed move a bit in relation to the iron sights, with which they are co-witnessed.

Any opinions or experience with this setup? Thanks.
Link Posted: 10/23/2004 10:02:48 AM EST
Link Posted: 10/23/2004 10:06:42 AM EST
Is the spacer setup less stable than the SIR setup, with just the mount?
Link Posted: 10/23/2004 11:12:23 AM EST
Link Posted: 10/23/2004 5:37:33 PM EST
he spacers are alighned into a tight fitting channel, then pulled down by the screws. they are as solid as you can get, in fact the are used on a lot more heavy waepons by the m,ilitary than an AR.
Jack
Link Posted: 10/23/2004 5:44:43 PM EST
I used blue loctite on my spacer screws and have put this particular rifle through hundreds of hours of carbine training with no issues. I call it solid and stable.
Link Posted: 10/23/2004 5:49:57 PM EST
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