mammynun
Newbie
My first and only suppressor is an AAC SDN-6 that I mount to eight long guns (10.5" to 20") that are either 5.56x45, 300BLK, or .308/7.62x51 via 51t mounts (7 Blackouts and one Brakeout). My POI shifts down and to the right for all weapons when the suppressor is attached. This shift is consistent and repeatable for each weapon, but varies between weapons. It doesn't correlate to barrel length, type, caliber, or anything else that I can figure.
Examples of shift trends (shooter error/ammo) @ 100yds:
12" CHF: down, negligible; right, negligible.
14.5" SS: down, 1.5"; right, 3"
14.5" SS: down 3"; right, 4"
20" Lilja .308: down 1"; right 3"
I get around this by taping the the change in dope to the rifles, and that works to some extent, but my confidence in cold bore shots is less than optimal. I suspect that this is the nature of the beast, and I should be happy that the shifts are repeatable over multiple suppressor attach/detach cycles. But coming from the T-10/M16A1/1911 issued generation I figured I'd ask if there's a way to eliminate or minimize the POI shift. I suspect that there's not, but maybe I can learn a new trick from you younger guys?
Examples of shift trends (shooter error/ammo) @ 100yds:
12" CHF: down, negligible; right, negligible.
14.5" SS: down, 1.5"; right, 3"
14.5" SS: down 3"; right, 4"
20" Lilja .308: down 1"; right 3"
I get around this by taping the the change in dope to the rifles, and that works to some extent, but my confidence in cold bore shots is less than optimal. I suspect that this is the nature of the beast, and I should be happy that the shifts are repeatable over multiple suppressor attach/detach cycles. But coming from the T-10/M16A1/1911 issued generation I figured I'd ask if there's a way to eliminate or minimize the POI shift. I suspect that there's not, but maybe I can learn a new trick from you younger guys?