How to tell the twist of a rifle. Put a snug fitting patch on the jag and insert the rod in bore. Make a mark @ 12 o’clock on the rod at the muzzle. Pull rod out slowly until the mark is @ 12 o’clock and measure the distance from the mark to the muzzle. The resulting measurement is the twist of your rifling, ie. 1 turn in ____”. There could be some slippage between patch and rifling, but this is close enough for government work.
Posts: 355 | Location: Roanoke, Virginia | Registered: 29 May 2003
If you look in the back of the Sierra reloading manual it will tell what the twist is on most rifles and calibers. The one for the 22 hornet in the ruger 77 is 1-14" which should handle the 52 grain bullet, but the drop at 200 yard may make the accuracy fall off. Got the rifle today and free floated the barrel, will have to get the dies now. Have prep the winchester brass so will be ready when the dies arrive.
RELOAD The only thing i found about the 22H is the necks of the case,s.if the bullet is not true it crumples the neck,when triming the case i always put a good chamfer on both sides of the case.
Posts: 69 | Location: great britain | Registered: 28 June 2003
RELOAD Forgot to say cz barrels are 1-16 tried today with 9.7g of 2400 +50g heads still going sideways in the target at 75 yrds only .3g off max dont think i,ll bother pushing it any further!!!
Posts: 69 | Location: great britain | Registered: 28 June 2003
I just shot my Hornet with 50gr Hornaday sftpnts with very good accuracy. My best load, so far, was 11.5gr Lilgun, WW case, Win small pistol primer. Groups opened up considerably at 12 & 12.5grs. Now I will load at .1gr increments to find the 'sweet spot'. My rifle is a Ruger m77/22H sporter (20" barrel). Fred in Colorado
Posts: 37 | Location: Colorado | Registered: 26 June 2003
I bought a Ruger 77 22H that didn't shoot anything very well. Some good groups were obtained using 52gr Bergers, 12.6gr 1680, Rem 6 1/2 primers. Groups size was quite sensitive to seating depth, best when bullets were seated .030-.040" off the lands. Velocity was 2520 fps. It has since had the bolt tightened, a trigger job, and a "K" conversion and is a better rifle, but I have not tried 52gr in the "K".
Posts: 1 | Location: Henderson KY | Registered: 01 August 2003
Never tried the 52 gr. match bullet but my favorite load using Barnes 50 gr. VLC is 9.6 gr. H4227 for over 2,400fps., groups under 1/2" out of my Ruger M77/22VHZ or Ruger No. 1B. Have also tried Nosler 55 gr. Ballistic Tips but they don't want to group as well opening up to just under 3/4". Lawdog
Posts: 1254 | Location: Northern California | Registered: 22 December 2002
I have a couple of Squib [lite] loads for a 55 grain bullet. 7.3 gr of IMR 4227 4.1 gr of Unique. If you need to contact CZ I have contact information: 1-800-955-4486 www.cz-usa.com e-mail: info@cz-usa.com
Posts: 355 | Location: Roanoke, Virginia | Registered: 29 May 2003
I had a CZ 527 and it had a 16" twist. It wouldn't work even with 50 grain Sierra SemiSpitzers. My M6 scout also by CZ will shoot it's best groups with 50 grainers due to it's 13" twist. Try shorter hornet type bullets in the 527...mine put these in one hole in the sierra variety.
My Ruger 77 in 22 hornet shot speer 50gr TNT Into 1/2 to 3/4" groups consistently and also shot more accuratly over greater distances. It does'nt shoot 52gr bullets very well.
SnKlip
Posts: 3 | Location: Eastern Washington | Registered: 28 August 2003
my Ruger 77/22 shots best whit 45grain sierra hornet but also works very god whit 50gr sierra semipoint. For the 45gr bullet i us 9.4 gr of vihtavuori n-110 and for the 50gr 1 use 8.6gr of the same powder. Best accuracy i have got whit a sako 45gr sp bullet and 8.8gr of norma R-123 sadly neither the sako bullet or the R-123 powder is made enymore
Posts: 17 | Location: Sweden | Registered: 28 August 2003