Sighting problems with a Rossi M92
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- Levergunner
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Sighting problems with a Rossi M92
I just took my new .44 Rossi M92 to the range today! I decided to sight it in at 50 yards with hand loads (6g of Unique behind a Laser-Cast 240g bullet). The rifle worked perfectly! No problems with feed or ejection and no deformed brass. The only problem I had was with the rear sight. All shots were about 8 inches high (7 inches with the sight in the lowest step)! I guess I have a choice of buying a higher front sight or sighting in at 100 yards! How are the rest of you Rossi shooters sighting?
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- Levergunner 3.0
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Re: Sighting problems with a Rossi M92
Good morning
The 44 Mag Rossi was put together with the idea shooters were going to shoot 44 mag ammo. Increase your velocity to about 1000 FPS and you will see your group come near to the lowest sight setting. & grains of Uniwue may be giving about 800 FPS which would equal a 44 Russian load out of a S&W revolver.
Now If you want to shoot that 6 grain load try expoxying a round brass rod on top of the front sight... should get you pretty close and would cost nothing.
The 44 Mag Rossi was put together with the idea shooters were going to shoot 44 mag ammo. Increase your velocity to about 1000 FPS and you will see your group come near to the lowest sight setting. & grains of Uniwue may be giving about 800 FPS which would equal a 44 Russian load out of a S&W revolver.
Now If you want to shoot that 6 grain load try expoxying a round brass rod on top of the front sight... should get you pretty close and would cost nothing.
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- Levergunner 2.0
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Re: Sighting problems with a Rossi M92
A recent post here on the 44 mag favourite loads is also worth a read. Loads mainly for Cowboy action, not full power jacketed hollow point stuff. 7.5 to 8 Unique is a good load, 7.3 to 8 of Universal (AP70N in Australia) is also good.
6 to 7 of Clays (AP30N in Australia) Is also very accurate, all with a 240g LRNFP hard cast. Of course with the jacketed stuff then 2400 and W296 at near max are all good. I dont think you will have to mess with your sights if you use loads in this range.. Good luck and let us know how you go.
6 to 7 of Clays (AP30N in Australia) Is also very accurate, all with a 240g LRNFP hard cast. Of course with the jacketed stuff then 2400 and W296 at near max are all good. I dont think you will have to mess with your sights if you use loads in this range.. Good luck and let us know how you go.
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Re: Sighting problems with a Rossi M92
Good info above. The best bet is to decide on a load recipe first that groups well and is the velocity you are planning to use it at. Once you have found the recipe then you can alter the sights as needed.
The sights that come on the Rossi are a one-size-fits-all compromise. Generally, the only difference is the octagon rifles have a shorter front than the round barrel carbines. They can get away with that because as mentioned bullet weights, velocities and calibers add enough variables. They tend to work well with the 357m guns but the 44/45 cal round barrel guns at full power tend to shoot high particularly 16" round barrels. But that's not a hard and fast rule either. I recently had a 454 here. They normally require a taller front so that what i put on it and normally that cures the problem. However, this gun came back to me because it was shooting way low at 25yds. Come to find out the barrel was bent from the get-go so Rossi indexed it up and down so the sights would correct elevation problems. But, after a trip to the range I still ended up using a shorter front than what Rossi uses.
Bottom line is find your load, then make sight corrections.
The sights that come on the Rossi are a one-size-fits-all compromise. Generally, the only difference is the octagon rifles have a shorter front than the round barrel carbines. They can get away with that because as mentioned bullet weights, velocities and calibers add enough variables. They tend to work well with the 357m guns but the 44/45 cal round barrel guns at full power tend to shoot high particularly 16" round barrels. But that's not a hard and fast rule either. I recently had a 454 here. They normally require a taller front so that what i put on it and normally that cures the problem. However, this gun came back to me because it was shooting way low at 25yds. Come to find out the barrel was bent from the get-go so Rossi indexed it up and down so the sights would correct elevation problems. But, after a trip to the range I still ended up using a shorter front than what Rossi uses.
Bottom line is find your load, then make sight corrections.
Steve Young aka Nate Kiowa Jones Sass# 6765
Steve's Guns aka "Rossi 92 Specialists"
205 Antler lane
Lampasas, Texas 76550
http://www.stevesgunz.com
Email; steve@stevesgunz.com
Tel: 512-564-1015
Steve's Guns aka "Rossi 92 Specialists"
205 Antler lane
Lampasas, Texas 76550
http://www.stevesgunz.com
Email; steve@stevesgunz.com
Tel: 512-564-1015
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- Levergunner
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Re: Sighting problems with a Rossi M92
Steve,
I have the 20 inch octagon barrel on my 92 and the loads I was using were light so that I wouldn't lead the barrel! I would guess that the 100 yard mid range trajectory would be about 7 inches. The problem I have with open sights is that they don’t work for me when shooting into a dark background. Since I don’t plan to hunt with the 92 and just like plinking I guess I should go to a ghost ring and a brass front bead. What do you think?
I have the 20 inch octagon barrel on my 92 and the loads I was using were light so that I wouldn't lead the barrel! I would guess that the 100 yard mid range trajectory would be about 7 inches. The problem I have with open sights is that they don’t work for me when shooting into a dark background. Since I don’t plan to hunt with the 92 and just like plinking I guess I should go to a ghost ring and a brass front bead. What do you think?
- AJMD429
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Re: Sighting problems with a Rossi M92
The best dark-background sights I've found (other than a large-bell scope ) are:TriggerPhinger wrote:The problem I have with open sights is that they don’t work for me when shooting into a dark background. Since I don’t plan to hunt with the 92 and just like plinking I guess I should go to a ghost ring and a brass front bead. What do you think?
Front: - YELLOW or GREEN fiberoptic - i.e. Williams Firesight or similar - red/orange is too bright.
You can even MAKE YOUR OWN fiberoptic sight if you're patient with a Dremel tool and files - THIS one is just a stock Rossi Puma front sight I converted to a Green Fiber:
Here's the link for that 'project' - http://www.levergunscommunity.com/viewt ... =1&t=21648
Rear - two options:
- 1. Williams FP (or 5D, or WGRS) with either
- aperture simply removed for 'ghost ring' effect, or
Williams 'twilight' aperture (sorry, no pics of that one)
2. Marbles 'Bullseye' (harder to adjust, but FAST to use)
Notice how much of the field of view is blocked by an ordinary rear 'open' sight ); pics are with a factory Marlin gold bead front, and gun sighted in, so obviously the ordinary rear sight covers ALOT (see the shaded area) of what you might want to see...!)
- aperture simply removed for 'ghost ring' effect, or
Last edited by AJMD429 on Sat Jul 24, 2010 9:23 pm, edited 4 times in total.
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Re: Sighting problems with a Rossi M92
I just got a 16" .44 carbine. mine was dead on out of the box with factory 240 gr hp and about 4" high with 200 gr hp CCI blazer. I ordered a set of up grade sites from Steve's website. hopefully they'll be easier to see thus more accurate.
Re: Sighting problems with a Rossi M92
Somewhere in here is a thread, complete with lots of photos and Brownell's part numbers, and if you can find it you will be well on your way to correcting your elevation discrepancy.
Try here http://www.levergunscommunity.com/viewt ... =1&t=22309
Try here http://www.levergunscommunity.com/viewt ... =1&t=22309
People were smarter before the Internet, or imbeciles were harder to notice.
Re: Sighting problems with a Rossi M92
my 16 inch rossi seemed to like the 125 gr dead on to point of aim high or low with other loads and that was standard pressure ammo not hot or low power cowboy loads, it shoots the cowboy loads fine no matter what the bullet weight.