I started a thread over a year ago to document point of impact shift when adding a suppressor and I have some more data to add since one of the SANDMAN suppressors that I ordered arrived this week.
http://www.thehighroad.org/showthread.php?t=758557
The top group is suppressed, the bottom group is non-suppressed. After shooting these groups I tried to hit an 8" square plate at 710 yards with the suppressor attached. I missed the first two shots just left and high but hit the bottom of the plate with the third shot. I was pleased given the 20mph wind gusts.
Rifle: AI AW
Cartridge: 6.5 Creedmoor
Barrel length: 24"
Optic: Nightforce NXS 3.5-15x50mm F1
Suppressor: Dead Air Armament SANDMAN-S
Attachment method: KEYMOUNT muzzle brake
Ammunition: Hornady 140gr A-MAX
Range: 100 yards
Average group size/# of groups/# of rounds per group unsuppressed: 0.557 moa/4/5
Average group size/# of groups/#of rounds per group suppressed: 0.521 moa/1/5
Average POI shift suppressed H/V: -0.150"/-1.613"
Average group size/# of groups/# of rounds per group suppressed after reattaching suppressor: N/A
Average POI shift suppressed compared to first suppressed group H/V: N/A
Suppressor indexed back to same location Y/N: Y
Weather conditions: 40°F, 25% RH, 3,250' elevation, DA = ?, 2~20mph wind gusts full value.
Comments: All rounds fed from magazine, targets shot off a bench with front bipod a rear bean bag. Both groups shot in under 1 minute each with 3 minutes between groups.
http://www.thehighroad.org/showthread.php?t=758557
The top group is suppressed, the bottom group is non-suppressed. After shooting these groups I tried to hit an 8" square plate at 710 yards with the suppressor attached. I missed the first two shots just left and high but hit the bottom of the plate with the third shot. I was pleased given the 20mph wind gusts.
Rifle: AI AW
Cartridge: 6.5 Creedmoor
Barrel length: 24"
Optic: Nightforce NXS 3.5-15x50mm F1
Suppressor: Dead Air Armament SANDMAN-S
Attachment method: KEYMOUNT muzzle brake
Ammunition: Hornady 140gr A-MAX
Range: 100 yards
Average group size/# of groups/# of rounds per group unsuppressed: 0.557 moa/4/5
Average group size/# of groups/#of rounds per group suppressed: 0.521 moa/1/5
Average POI shift suppressed H/V: -0.150"/-1.613"
Average group size/# of groups/# of rounds per group suppressed after reattaching suppressor: N/A
Average POI shift suppressed compared to first suppressed group H/V: N/A
Suppressor indexed back to same location Y/N: Y
Weather conditions: 40°F, 25% RH, 3,250' elevation, DA = ?, 2~20mph wind gusts full value.
Comments: All rounds fed from magazine, targets shot off a bench with front bipod a rear bean bag. Both groups shot in under 1 minute each with 3 minutes between groups.
