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TRG22 - Loads

UKSnipe

I have just started reloading for my TRG22. The first thing I found was that I cannot load 155gr bullets such as scenar and berger without any jump as they will not fit in the magazine.

My initial results show it is essential to load with no jump.

Here are a couple of results:

Lapua brass, Federal match primer, N140, 44.5gr, Hornady A Max, 155gr, no jump,58.8mm from bullet shoulder to cartridge base using calipers and stoney point tool for my rifle) - 20mm centre to centre of bullet holes at 200yds. Shot by my mate who is a better shot than me.

Lapua brass, Federal match primer, Varget, 44.5gr, Hornady A Max Moly, 155gr, no jump,58.8mm from bullet shoulder to cartridge base using calipers and stoney point tool for my rifle) - 25mm centre to centre of bullet holes at 200yds. Shot by me.

Above 44.5gr the group opens up significantly. I am going to work slowly down now as a 43.5gr load produced a good group.

I think these are good? Can anyone advise. Got any other loads that are good for this rifle.
 
UKSnipe,

TRG-22s have a generous mag length of 3" max OAL. My current load is 2.915" OAL - kissing the lands.
Lapua cases, CCI200 primers, 46.2gn Varget,depending on batch), 155gn Scenars --> MV = 2886fps. Shoots under 1/2MOA.

It's not a fussy rifle though. Every load I tried shot under 1/2MOA.
 
Hi,

The Sako does best with loads up to 43-44gr N140. A 20mm group is very nice at 200y!!! I load 37.5gr N135 with 155 scenars, lapua brass,out of the box, no prep) and Fed210 primers. 10mm at 100m average, about 24mm at 200m and 35mm at 300m. I see no need for 44gr+ loads unless you're going for windy conditions at 500m or more. The practical gain vs. the wind is very small.

I have not tried other brands ofpowders as they are not really available or not commercialy viable,= way too bloody expensive). I've tried N135/140/150 in my TRG and N135/N140 is my prefered powder. N150 heats up the barrell too fast.

PS: I seat 0.01mm off of the lands and feed like a single-shot. I think my OAL would just hit the inside of the mag. As I have no use of the magazine,rapid fire etc), I make the AOL to my suiting and just drop in the rounds.

MHO
 
Daj – The TRG22 magazine is 2.964in wall to wall. A 155gn scenar bullet loaded to just touch the lands does not fit in the magazine. For these bullets to fit the magazine you need a jump of 1.35mm. For Berger 155gn bullets to fit you need a jump of 0.3mm. The Amax 155gn just fits the magazine if you load it to touch the lands.

Jim – Thanks for the load information. I have some N140 and will try it between 43 & 44gn with a 0.01mm jump. I need to use the magazine as I will be shooting in the McQueen competition at Bisley which requires 10 rounds so I will have to use Amax bullets for the rounds to fit the magazine. I entered the competition last year with BAe factory military rounds and the range officer was laughing at the new boys because we had factory rounds. Shot a 48 though but needed 49 or 50 to get to the final. Should do it this year with my reloads. The TRG22 is fantastic. I use it with a Nightforce 8-32 x 56. Even guys who are used to bespoke rifles love the TRG22.
 
UKSnipe,

You are absolutely correct about the mag length. The owners manual rounds off 75mm OAL to 3" - I should have quoted metric.

However, I am surprised at the variation in throat length. As stated in my first post, my scenars touch the lands and still have 1mm clearance in the mag. This leaves plenty of room for seating out as the throat errodes.

Good luck at Bisley.
 
Hi UKsnipe

I would also be interested in the results of your various loads.I have recently ordered a TRG-22 and should be picking it up soon.Is the,expensive) bipod worth having as an option?

Has anybody tried the 185/190 Berger VLD for longer distances.I would have thought the 1:11 twist would suit these heavier bullets better maybe?

Good luck at Bisley.
 
I have had the TRG21 and TRG22 bipods under my TRG, and quickly swapped them for a Harris,which is 1/3 the price). Very stable bipod, better than the Sako bipods.

The 190 is good, but the speed is lower which means there is no advantage over the 155 scenar/palma, only extra recoil. The 308 is not optimal for the heavy .30 bullets. 150-175gr are the best choices. Over that, speeds starts to drop to where BC no longer makes up for it.
 
I used 44.0 Varget on LC match brass/WLR primers and Sierra 175's in my Trg-22 with exc. results. Consistent 1/2 moa and virtually NO fouling. I don't think any of the loads I made up with the 175's were over an inch.,5 shot groups) This rifle liked everything I gave it.

Chris
 
dochoc,

I have used Harris bipods forever and like them a lot - on my other rifles. The cost of the TRG bipod is insane, but I forgot about the $$$ long ago. Fact is, it works a treat. Low C of G, pivots horizontally and for cant, feet work on different surfaces, positive & easy leg adjustments. Sako designed the bipod to enhance the TRGs, and it does.
 
Daj and 6Dasher

Thanks for the replies.Unfortunately you both take an opposing view so I am none the wiser.Anybody else got a view on the Sako Bipod.

UKSnipe .let us know how Bisley went and the loads used.
 
The Sako bipod is very well engineered and built. First rate! I don't believe that you will shoot any better with the Sako bipod vs a Harris bipod though. If money is no object...I would certainly buy the Sako bipod. If you are like 98% of us...The Harris will do just fine.

Chris
 
I can't shoot for sh_t on the sako bipods. The flex all over the place, don't give a positive hold on hard flat surfaces,sliding all over), and the hit the barrel if you're not carefull. First I had the TRG21 that came with the rifle, sold that within the first year, got a Harris BRS. Then got a TRG22 bipod, and although better than the TRG21 bipod, still no cigar. My rifle stays put where I put it, even if canted. Can't say that about the TRG22 as even if it is upright, will have the tendency to tilt of you lessen your grip.

Maybe personal preferances. But you should try it before you spend that much money. You can buy a nice benchrest for that dough.
 
dochoc

I really like the Sako bipod. It is an engineering masterpiece as is the one piece scope mount.
I am at Bisley tomorrow with some different loads at 200yds. Will advise.
 
Dochoc - Didn't get any message.

Bisley McQueen today. It is harder now as you have to get a 55 to qualify for the shoot off. That is five sixes and five fives.
The best I got was 52 and my mate got a 54 with the TRG22. 54 was the best score when we left at 2.30pm today,Fri). It was very gusty.

The best 308 round at 200 yds for the TRG22 we have used is AMax 155gn, N140 44.5gn, Lapua brass, federal match primers, bullet seated on the lands.
 
Just got back yesterday, came in 10th at 400-500-600y; still waiting on the results on the 800/900,1000y was cancelled due to heavy rain on saturday).

The Stickledown range at Bisley.
bisley_01.jpg
 
TRG22 with muzzle brake. Practicing for McQueen at the Phoenix meeting 2007. Scenar 155Gr, on the lands, N140 36Gr at half Gr intervals up to 44.5Gr.
Seems there are sweet spots 36-38Gr and 44Gr with this bullet. More to follow.
 
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