Rossi 45 Colt Cast- Hunting Pigs

[Point452]

Anyone else hunting with a Rossi 92? I’ve used my R92 and my Miroku 92 for hog hunting with great success. My most effective load is the Lee 300 gr at about 1590 FPS.

My only problem is that the boolits aren’t stable in the Rossi after 50-75 yds, and they lose accuracy and start to keyhole. The good news is, most of my hunting is at less than 70 yds, and my R92 will stack 230-255gr boolits into small groups.

[richhodg66]

I have one of those Rossis, so far only shot kind of standard .45 Colt loads in it like I would in my revolver, and it shoots OK, no doubt in my mind I could kill deer with it the way I hunt. Just haven't gotten it in the woods yet.

[Markopolo]

what is the twist rate of that gun??? perhaps it not a fast enough twist?

[richhodg66]

what is the twist rate of that gun??? perhaps it not a fast enough twist?

I was kind of wondering if sizing them big enough, mine seems to be made to kind of sloppy tolerances, never cerrosafed it, but I suspect it has a generous chamber and throat.

[Point452]

I was thinking about the twist rate and bore size. I know that weight and length seem to be the consistent problem. My Rossi struggles to stabilize the longer Hornady “magnum” j-bullets as well. It puts all the lighter weight .450-.452 boolits/bullets into good groups. I sometimes size my cast to .452, and I also shoot unsized cast that are just under .454” and just over .454 powder coated. I need to experiment with a mold that throws .454+

[Froogal]

You might be pushing those bullets too hard. I have a Rossi R92, .45 Colt. I use 200 grain bullets, over 8.5 grains of Unique. I do not know the velocity, but I can consistently hit the targets that are 80 to 100 yards out.

[versa-06]

Congrats!! on some fine Hog Killin! Like the pics.

[Castaway]

I had a Rossi and let it go. I couldn’t get acceptable accuracy out of it. What was a 1 1/2” group using a Lee 255 RNFP, at 50 yards with my Win 94, was 14” with the Rossi. I eventually got a jacket load to shoot out of it, but it was unreliable in lifting and chambering a cartridge. Win 92 solved my problem.

[KCcactus]

The twist rate is most likely 1/30". That's what it is for my M92s in 357 and 44. I've read they use the same twist in all of the 92s. If your lighter boolits shoot well, that's an easy fix. I've read about some getting good results with 300gr in 44 mag using 1/38" twist in another brand of rifle, but haven't tried anything that heavy in mine.

[Tripplebeards]

Sweet! Wonder if your boolits aren't getting pushed fast enough or should be sized a little bigger to help with stabilization. I really like the lee 255 grain boolit in my new vaquero. Maybe trying a lighter boolit might help with stability? I know I’ve read a million times my NV will not stabilize a 300 grain boolit because i can drive it fast enough. Never tried to test the theory yet. I probably have 50 pounds of them casted up PC and GC. Casted up a bunch and found out they wouldn’t feed in my 450BM so they now collet dust.

[GasGuzzler]

Twist is 1:30" as mentioned. Big bullets need pushed HARD to stay straight. I load a 180 over a giant pile of Lil'Gun in my R92 .357.

[Finn45Colt]

I was testing my Marlin CB ltd JM .45 Colt 24" barrel, 1/38"twist. Velocity range from 1250 to 1700 fps. Ten different loads, powders were VV N110 and N120. Boolit was NOE 454-285-SWC sized .454 .
Something like 1/16 tin/lead.
ALL holes in target were round.. I was shooting to 150 meters. Some nice 5 shot groups, best was 3".
Marbles Peep Tang Sight was very nice at that distance.
Dunno if I was lucky when I got that rifle?

[warren5421]

My Marlin CB Ltd JM .45 COLT 24 " barrel 4X scope with my old eyes keeps 300 gr full load FFFg Goex under 2" at a 100 yards off the bench. Bought the gun in the late 90's to play SASS. It has an over sized chamber but shoots .454" Laser Cast. I have two Rossi rifles in .44-40, a 20" and 24" the 20" shoots better groups though.

[farmbif]

great hog harvest, I don't know if its a curse or a blessing that there are no wild hogs running around where I'm at.
that 300 grain boo lit at 1590 fps, how much of what powder are you using? not wanting to shoot my Rossi 45 colt apart I quit at 20 grains 4227 under a mp 454360 and decided that higher pressure loads ought to be put in 44 mag.
now you got me questioning what I been doing with the old Rossi 45 colt

[Harter66]

First off I've killed 5 hogs powder burn to 47 yd 120-165# with a 454424 NOE version loafing along at 1050-1100 .

2 M92' Rosschesters
1-30/32 twist .442×.450 barrel , it was never a plunk with the .454 on the rim but if it was forced it was only about twice the lever detent cam over . The chambers were were about .484 at the case mouth and .496 about 2/3 down .

With witnesses that gave me the , I thought you were shooting that ram 2' tall how'd you miss the 9' berm , ration . So I pulled down and right until I had a hit on the berm 7' high and 12' left from a foot below and right of the rams leg . Down , down , down direct hit on the golf ball at 75yd that was an incidental POA that happened to be a good reference point ....... The next set up stop I set balls at 60,75,and about 6' out to 90 yd with the berm base at 110 and the top about 112 yd . The round groove Lyman 454424 and the NOE at 255&250 gr respectively and the 265gr 452-255 RF Lee from the 1050 loads for the 7.5 RBH getting 1240-1255 from both the 16&20" 92s were making a left turn about 40°×10:00 between 78&82 yd . I let 3 other shooters prove to me I just couldn't shoot 100 yd , we found out they couldn't either . Applied to the Strelok ballistics app the loads hit 1125 fps at 5000' MSL at 85° ,28% humidity , at 72-74 yd . Transonic upset between 78-82 yd . In a test with a 350 RNFP with a MV at 1240 fps I had almost identical results with round holes out to about 70 yd and keyholes at 90 .

The only solution is stay subsonic or go fast enough to stay supersonic 5 yd past your longest shot . There is another . You can rebarrel with a 16-20 chambered to share brass with your companion gun but that's a lot of money to spend on a Rossi .

[Finn45Colt]

My Marlin CB Ltd JM .45 COLT 24 " barrel 4X scope with my old eyes keeps 300 gr full load FFFg Goex under 2" at a 100 yards off the bench. Bought the gun in the late 90's to play SASS. It has an over sized chamber but shoots .454" Laser Cast. I have two Rossi rifles in .44-40, a 20" and 24" the 20" shoots better groups though.

Yes my Marlin chamber is over sized too, so no mild loads for that gun.

[Harter66]

great hog harvest, I don't know if its a curse or a blessing that there are no wild hogs running around where I'm at.
that 300 grain boo lit at 1590 fps, how much of what powder are you using? not wanting to shoot my Rossi 45 colt apart I quit at 20 grains 4227 under a mp 454360 and decided that higher pressure loads ought to be put in 44 mag.
now you got me questioning what I been doing with the old Rossi 45 colt

After many hours of research ....... If your SN is Prefixed with an M it is compatible with 44 mag . I could find no reason for the drop of the 454 chambering , most likely premature wear , bulged threads or blown dovetails . About 20% of the 45 Colts were not on M (for mag) frames and would probably be ok forever with top step Colts loads I wouldn't shoot anything in the Ruger realm in them . The M frames should be good to go up to 25 kpsi .

Off the books , out in the weeds , to be done at your own risk , explore 4198,H322 with Quick Load with a 23 kpsi cut off . 19.0 H322 gave me 1280 with the 350 and all of the reasons I needed to just buy a 45-70 and be done with it .

[Texas by God]

The two objectives of pig hunting:
1. Kill pigs
2. Have fun
It looks to me like you have it covered. If the 230-250 grain class shoot great, that is what I would use- just my opinion- rock on, sir.

Sent from my SM-A716U using Tapatalk

[Harter66]

Well ......I felt like that 17 yd greyhound looking hog hit 2 ribs behind the shoulder 2" off the in a rib with a 50 cal exit via the front edge of the "armpit" was poorly exicuted because the other 4 only took about 1 step , with negligible kick .

It's been fun every time , looking forward to getting into a bunch of them up here in Arkansas .....life and stuff .

[TCLouis]

So was rossi design staff lazy, cheap or stupid with this 1:30 twist rate.
Sure provided disappointment in my 357 so far.

In fact going to go shoot it as soon as I type this, but only some test firing.

358156 is the only boolit I have found to provide accuracy.
Lighter than I had planned when I bought it.
Could/would have saved some money if I knew about the twist rate.

Remlin 1895 has replaced it as my plinking gun and so far proven to fill the slot well!
Sure hate using the extra lead to get there though, twice as much lead downrange every shot.