Line/scratch on cylinder?

[fraungie]

Gentleman:
I just got back from the range shooting my 1858 stainless Remington and revolving carbine (same frame style as the 1858). I was using pyrodex pellets 30 gr. They seem a little hotter than the equivalent pyrodex or 3f black powder. A .457 ball with Crisco in front of the ball. Both guns shot great. I noticed after shooting. Both guns are developing a line/scratch on the pin that the cylinder revolves around. The line is perpendicular to the pin and about where the front of the cylinder is. It is on the top of the pin and goes about half way around the pin. I thought the cylinder could be whipping back during recoil and causing it but it is on the top of the pin not the bottom. Has anyone experienced this issue and does anyone know the cause or cure?

 

[Blizzard of '93]

I've never had that problem so I'm going to guess
a combination of slight burr on the cylinder drilling and slightly bent pin. stainless seems more prone to burrs than regular steel. you should check with a magnifying glass. and use a stone to polish out if so.
I've used the Pyro sticks they sure are convenient, but pricey. I use them for carrying in my kit for fast reloads when hunting. also a 7.63X39 (AK - SKS case) case is about 32 gr 3F, handy powder measure for warm load.
I'd like to see a post of your long gun if you could.

 

[Long Johns Wolf]

I guess what you have here is burn marks in the metal of the cylinder pin (should be also on the inside of the frame) from the hot BP gases. Have seen that regularly on C&B revolvers (without gas ring)but also in modern made Colt SAAs and S&W revolvers fired with (smokeless) cartridges.
Long Johns Wolf

 

[fraungie]

I don not know what you mean about a post of my long gun? I am not real computer savy.

 

[Blizzard of '93]

could you post a photo of it? you have to use 'photobucket' and there are instructions for this on the forum index.
If I can do it anybody can - I'm in the stone ages myself!
BTW the 'gas cutting' may be the cause of the 'line' on your pin but it isn't apparent on my S/S ROA or blued '58 Remmy 'Buffalo' model.

 

[Mike 56]

I think this is what he is talking about. I was shooting loads that were a little hotter than i normally shoot. I noticed a cut on the pin. The cut is at the end of the frame before the cylinder maybe a 1/32 deep.

Mike

 

[Zonie]

I notice a very slight polishing in the same area on my Remington.

If I were to guess, it is caused by the front of the cylinder probably due to a slight out of square condition of the frame at the rear of the cylinder.

If the rear of the cylinder hits the frame above the cylinder pin without hitting the frame below it during recoil the cylinders front will be tipped downward. This tipping could apply a bit of extra force to the top of the cylinder pin.

Whatever is causing it the damage, at least on my gun doesn't look like it is anything to worry about. I doubt that fraungie's gun is much worse and it probably isn't worth him worrying about it either.

 

[Raider2000]

Almost all of the Remington copies that I've either worked on or shot my self has that.

Its caused by the hot flame of shooting sortof torching the pin each time the trigger is pulled & with hot loads it'll show up faster than using light target loads.

I have over 1000 shots through my 23 year old Pietta 58' & although that mark is there it isn't much deeper than 1/32 & I shoot on a normal basis of 35gr. FFFG Goex or 32gr. Pyrodex P with an occasional 40gr. FFFG Goex with my Cast .457 ball, so you should be fine.

The only suggestion I can give is to maybe go to VTI & get another Pin for your Remmy copy & heat treat it before you use it & that should lessen the effect for quite some time.

 

[fraungie]

You guys are fantastic I am glad I don't have to worry. The photo is exactly what it looks like. I have had both guns for a while and probably don't get to shoot as much as I would like, but I have put quite a few rounds through both. This last time was the first time I shot the pellets and the first time I noticed the groove. I quess I can keep an eye on it and at the very worst I can buy a new pin. I know those pellets are a little pricey but neither gun ever shot that good. I am going to stick with them Thanks again.