1in8 twist might limit you to 105 grain class of bullets. I shoot the 105 amax out of mine at 2950 with h4350. The match chamber may be a tight neck so you will need to decide whether you want to add neck turning to your brass prep.
So this is a head scratcher. What cartridge will generate 3200 fps out of a 18-20 inch barrel firing a bullet heavy enough for deer. Wanting the short barrel to make running suppressed easier to handle in the blind and shooting off hand. Please dont suggest 223. Already have 300blk, 450...
I bought a used UMAR from Cabelas and it performs flawless. I took it prairie dog hunting and it was easy to shoot dogs at extended range. I reload 40g Nosler BT with Tac and it shoots 1/2 MOA every time I shoot paper. I just wish the mags held more than 5 22-250.
The bushmaster varminter is great for pd dogs and as a carry rifle
If it will be a bench gun then buy the longest heaviest rock river
If you want one and done buy a 204 upper from someone like dtech and build your lower from scratch. The trigger is super important. I have tried rock river...
I shoot the 40g nosler bt with 28 g of TAC the book says 3700fps and it shoots 1/4 out of my remmy. My Ar with 1in9 twist likes the 53 grain vmax. They have almost as high a bc as the 69 mk but more velocity
Olympic arms UMAR, mine is a 22-250 and shoots 5 shot .5 inch groups at 100 yards with hand loads. I used 40 grain nosler BT and they caused quite a bit of laughter this summer prairie dog hunting with the red mist. You just have to watch yourself and not do too many mag dumps because she gets...