Popular, Accurate Tested loads in .204calibre

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11 Feb 2016 13:30 - 08 Mar 2016 21:32 #1 by Send-it
Send-it created the topic: Popular, Accurate Tested loads in .204calibre
"what is a good load in
Rifle Cartridges that are .20 calibre"?


This applies to any cartridge, including wildcat conversions that use a .204 calibre projectile.

So if you good folk out there don't mind sharing, could you please post the loads that have worked well for you, in your equipment, in regards to reliability, accuracy, and terminal performance.
The 204cal, is a popular size amongst small game hunters and short range target shooters alike, and the more loads that work, we can share, the better.
Could you please also share the following data;

1) Rifle type and model etc, (and barrel twist if you know it)
2) case, and cartridge size (204ruger etc)
3) primer,
4) powder (+ amount),
5) projectile,
6) cartridge-over-all-length (or to the lands),
7) estimated or known velocity
8 ) Bullet performance (group size etc) (pics are good here too)
9) a short note of 1 or 2 sentences about its terminal (hunting) performance, if applicable.

note; What may be safe in one firearm may not be safe in another.
safe shooting. B)

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Last Edit: 08 Mar 2016 21:32 by Send-it.

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12 Feb 2016 21:28 #2 by Easty
Easty replied the topic: Popular, Accurate Tested loads in .204calibre
1) Rifle type and model etc, (and barrel twist if you know it)
Tikka T3 Super Varmint 600mm 1in12
2) case, and cartridge size (204ruger etc)
204 Ruger Hornady factory brass(be aware there is more than one type with differing capacities).
3) primer,
Remington 7.5
4) powder (+ amount),
AR2206H @ 27.6 Gr
5) projectile,
39Gr Sierra blitz king
6) cartridge-over-all-length (or to the lands),
2.290 Inch
7) estimated or known velocity
3870fps Average velocity
8 ) Bullet performance (group size etc) (pics are good here too)
0.2-0.3inch
9) a short note of 1 or 2 sentences about its terminal (hunting) performance, if applicable.
Splatters bunnies like crazy! I've used it with great results on bigger feral's as well but obviously care needs to be taken with shot placement.

The Truth Is I'm Always Saddened When I Kill An Animal.
It's Not Remorse, I Feel, I Know Why I Hunt.
It's Purely Out Of Respect.
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25 Feb 2016 16:53 #3 by Curramore
Curramore replied the topic: Popular, Accurate Tested loads in .204calibre
1) Rifle Tikka T3 hunter 1 in 12 twist. Scope : Meopta Meopro Z-Plex reticle 6-18 x 50 with 25mm tube. 3mm clearance front of scope to barrel, standard rings. Zeroed at 200 metres. Great scope for low light late afternoon hunting.
2) .204 ruger Hornady.
3) Federal small rifle primer.
4) Powder ADI Benchmark 8208, 27 grains best accuracy and smallest group of 15mm at 200 metres, least wind deflection with 15 km/hr cross wind. Worked up from 26.8 to 27.3 in increments of .1 grain measured on Lyman55 thrower, then Pacific Hornady scale. 27.3 grain starting to see pressure signs and significant drop off in accuracy.
5) 39 grain Sierra Blitzking1039. I prefer these over 40gn Hornady V-max, deeper penetration and better accuracy in my rifle out to 300 metres on wild dogs.
6) OAL 2.260 inches.
7) No Chrono
8) 10mm group at 100metres best 3 bullet group score from 21 shots and 15mm at 200 metres best score from 15 shots, wiping out barrel with dry patch every 9 shots in both. 15 km/hr crosswind gave a constant 12mm deflection at 100 metres.
9) On wild dogs still blows a pink mist at 200 metres on head shots, body shots 50-100 mm exit wound rib cages and hindquarter, depending on wheher bone was involved

. Very hard to find projectile fragments. On body shots usually blows the whole animal sideways, usually off their feet. The good thing about this calibre is that you can still see the action down the scope because of the low recoil. Still a noisy little calibre though.
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29 Feb 2016 23:37 #4 by Curramore
Curramore replied the topic: Popular, Accurate Tested loads in .204calibre
Going over reloading data log shows that I have made a mistake. Sorry folks, the above powder weight for the most accurate load should read 27.2 grains of ADI Benchmark 8208, not 27.0 grains as previously posted. Apologies for my mistake.

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09 May 2016 10:08 - 09 May 2016 10:17 #5 by Varmtr
Varmtr replied the topic: Popular, Accurate Tested loads in .204calibre
20 PPC

- Norinco EM331
- TSE 26" S/S fluted barrel Rem varmint profile 1:10 twist.
- 22 PPC Sako brass necked down to 20 cal no neck turning required.
- 40gr Hornady Vmax with 15 thou jump.
- Winchester small rifle primer.
- 27gr of AR2208
- 1/2" groups at 200y
- cruising at 3650fps with a 10fps variation over 10 shots on a Magneto Speed.
- rabbits and foxes heads turn into pink mist.

I see nothing, I hear nothing, I KNOW NOTHING !!!!
Last Edit: 09 May 2016 10:17 by Varmtr.
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13 Sep 2016 17:24 #6 by robred
robred replied the topic: Popular, Accurate Tested loads in .204calibre
1) Rifle type and model etc, (and barrel twist if you know it)
Tikka T3 Camo 600mm 1in12 with Weaver Tactical 3-15x50 scope
2) case, and cartridge size (204ruger etc)
204 Ruger Winchester brass
3) primer,
CCI BR4
4) powder (+ amount),
AR2206H @ 27.2 Gr
5) projectile,
39Gr Sierra blitz king
6) cartridge-over-all-length (or to the lands),
2.290 Inch
7) estimated or known velocity
3840fps Ave with Magnetospeed V3
8 ) Bullet performance (group size etc) (pics are good here too)
0.1Mil (1cm @ 100m)
9) a short note of 1 or 2 sentences about its terminal (hunting) performance, if applicable.
Perfect for head shots

The future is something which everyone reaches at the rate of 60 minutes an hour, whatever he does, whoever he is.
C. S. Lewis
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20 Oct 2016 15:56 #7 by Emptee
Emptee replied the topic: Popular, Accurate Tested loads in .204calibre
Any members here that have a cz 527 varmint that could possibly post a pet load would be much appreciated...chosen projectile is the 39gn sierra but would appreciate anything you can offer.

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13 Feb 2018 22:28 - 13 Feb 2018 22:48 #8 by Curramore
Curramore replied the topic: Popular, Accurate Tested loads in .204calibre


38 degrees C, 90% humidity, 5-15 km/hr crosswind. 450 metres elevation.
Tikka T3 Hunter .204Ruger 1 in 12 barrel.
Federal Small rifle primer. Hornady once fired, neck resized brass.
COAL 2.26".
Projectile Hornady 45gn SP.
Powder ADI BM8208 26.0 grains.
Average velocity was 3245 ft/s 5 shots in cold barrel, .403" spread at 100 metres, next 5 shots .293" spread, then 3276 Ft/s hot barrel after another 5 consecutive shots .663" spread 10 shots, mostly vertical climb.
First 5 shots at 100 m
Second 10 shots over about a minute. Shots and speed climbed as the barrel got hotter.
Relatively slow load for a .204ruger, but accurate enough for me. A lot of forums reckon that this projectile should not stabilize in this rifle???

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Last Edit: 13 Feb 2018 22:48 by Curramore. Reason: wrong speed second 10 shots.
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14 Feb 2018 10:49 #9 by 17Hornet
17Hornet replied the topic: Popular, Accurate Tested loads in .204calibre
Curra , I think I can see biro marks at the edge of those groups....

Cant argue about that rifle and load, pretty cool.

The TRUTH is out there,
the Aliens think its a great joke on us.
We still believe in Santa, but eat the Easter Bunny

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14 Feb 2018 13:40 #10 by Curramore
Curramore replied the topic: Popular, Accurate Tested loads in .204calibre

17Hornet wrote: Curra , I think I can see biro marks at the edge of those groups....

Cant argue about that rifle and load, pretty cool.

Ha ha Hornet! If only it were that easy.

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