Thread: 2208 in 284?

Forgot to add groupings 0.5 - 0.7 moa, some times better if I do my bit correctly

Originally Posted by Seventenths

Thought I'd chip in with some results albeit different to AR2208

So my rifle is a T3 7mm-08 reamed out to .284 and cut back to 16 inch with a DPT over barrel suppressor and a Stug carbon fibre stock which I've been running for the past few years and it's accounted for a fear few sika, fallow, reds and now chamois.

My favorite load is 53 gr AR2209 behind a 150 Sierra Game King which will give me 2557 fps and give me great groupings out to 300 mtrs which is the furthest I've tested

Is there anyone on here with a 20 inch .284 who could share their experiences?

Yep, have both 20 and 22 in 284s. In fact done two 20 in and load dev for both.
160 TMKs with Superformance giving 2830 - 2850 fps.
145 Speers w 2209 giving 2900+ fps

In 22 in bbl Tikka 2506 donor action Truflite 1:8.5 twist
162 AMAX with RL17 doing 2950 fps, 0.5 moa groups
160 TMKs with Superformance 2900 fps
150 ELDX w RL17 2995 fps

I have the std 22" tikka reamed out by the same Smith who did superdivers. I've had more or less the same groupings, around moa with whatever I've tried. Currently running a mild 51 grains of 2209 behind a 160 Sierra tmk doing 2740. Shoots sub Moa, but not as tight as I like. Going to work up a load for the game king and the Berger 168 and see how i get on.

Again not 2208 but I have a 16" barreled .284 tikka and have been using 53.5 of rl17 with 150 gamekings @2730 for the last year. Have shot a few deer an bull tahr out past 400m with it and it seems to have enough grunt. The one deer at 611m i shot didn't go so well and needed another shot to sort it out. So i limit my range to around 450m. as also mentioned above I tried 2209 and it did group slightly better but the 17 gave me more fps for the same powder weight. I'm about to try out some 150 accubonds with 17 and 2209 hopefully over the weekend.

Originally Posted by tonyd

I'm about to try out some 150 accubonds with 17 and 2209 hopefully over the weekend.

Good luck with those as i found them to be an expensive projectile. I ran them in a .280 Rem and on the two sika stags I shot they just pencilled through and needed finishing shots. I shot my first bull thar with the same rifle and load and it needed four shots all in the chest.

Agree, ABs are tough. Good for a bush load up close, but not longer range. Try the TMKs they pretty much do everything well from 100 to way out there.

Tested the gamekings today and my 3 shots read 2771, 2774 & 2770 so an ES of 4fps which I am pretty happy with. Shot my ssts and they were about the same but an ES of 30~fps so plugged that into my ballistic app and took a shot at a target at 795yds which gave me 20.93moa to dial however that saw me shooting very low so to get onto target I ended up dialling another 7-8 MOA which saw me getting good groupings but based on that I would not even be doing 2500fps which cannot be right as it is nearing max load and my barrel is not that short(19" plus I have a suppressor ). Sst load is 54grs of 2209 and I got BC from hornady website. Can anyone shed any light on the situation?

Originally Posted by superdiver

Tested the gamekings today and my 3 shots read 2771, 2774 & 2770 so an ES of 4fps which I am pretty happy with. Shot my ssts and they were about the same but an ES of 30~fps so plugged that into my ballistic app and took a shot at a target at 795yds which gave me 20.93moa to dial however that saw me shooting very low so to get onto target I ended up dialling another 7-8 MOA which saw me getting good groupings but based on that I would not even be doing 2500fps which cannot be right as it is nearing max load and my barrel is not that short(19" plus I have a suppressor ). Sst load is 54grs of 2209 and I got BC from hornady website. Can anyone shed any light on the situation?

I use 0.251 G7 from Applied Ballistics.
In my app 795 yards at my speed (2657FPS 7mm08) requires 23.8 MOA.

Been playing with 150eldx pills in my 284, RL17 doing 2930-2940 fps (20 in bbl)