Thompson center impact

[bobkat131]

I am shooting black horn 209 ,75 and 77 grains on scale with hornady set 250 grn and hornady 240xtp the best group is 2.50 - 3.00 at 100 yards this is going to kill any deer out there but any suggestions would be greatly appreciated to tighten up group THANKS

 

[ElDiablo]

I’m sure you’ll get lots of advice. Lots of small things could be the issue. But I think it will simply come down to trying a different bullet and/or a different charge. Have you tried more powder? My tc Omegas all shoot really well with 100-110 grV of BH209 and 300 grain TC shockwaves. The 250 gr bullets never shot as well for me. The Impact has the same barrel I presume - 26” 1-28 twist.

 

[MrTom]

My Impacts like at least 105 grains[v] of BH209 with any bullet at or over 240 grains. Sub-1" groups at 100. Any lighter on the charge and things head south fast. The groups hold together until about 115 grains [v] is reached, then again, they accuracy heads downhill in a hurry.

 

[screamin]

I get 1" groups with 90 grsV BH209, 250 xtp's with a Harvester black crushed rib sabot. I have not tried more 209 yet.

 

[jlynch75]

I get 1" groups with 80grsV T7/FFF, 240 xtp's with Harvester green crushed rub sabot.

 

[280Bravo]

Use Harverster CR or T/C super glide yellow sabots you groups will shrink.

 

[snapbang]

I’m sure you’ll get lots of advice. Lots of small things could be the issue.

Maybe start by checking all the screws to make sure they are tight????