Pietta New Model Army Revolver - absurd trajectory issues.
Posted: Fri Jul 28, 2017 12:37 pm
I have a stainless example that is in (after a full overhaul) exceedingly good shape. Everything that moves in the action has been replaced and it's now super slick and well-timed. The barrel is in lovely condition, after a decent clean, and doesn't seem to have been used much at all. It is completely standard. No trick nipples or anything.
It has the traditional fixed sights - I opted for this over target sights because, well, it's more 'cowboy' - and why not?
I'm shoot it on an indoor range at 20 yards.
My current load is 30 grains by volume of Hodgdon FFFG
I use a lubed Ox-Yoke Wonder Wad on top.
I'm using pure lead balls - these, in fact:
http://www.ebay.co.uk/itm/44-454-Lead-R ... SwYGFUuQii
They really are very round - better than I've bought from specialists in fact. Those always seem to have a flat on them from the mold. They weigh, on average, 137.2 grains.
I don't use any fillers. I consistently ram the load to the same depth - not hugely compacted as hard as possible but snug.
There is scope for a good deal more powder. I'd say at that loading you could maybe get another ball and a half in there (not very scientific but a good visual image).
My problem is the trajectory is like a banana. It drops considerably over that 20 yards - I would say as much as three foot from the point of aim (although I've not measured it accurately with a tape).
At the moment to get rounds on paper I am aiming at the wooden crossbeam of the ceiling (it's a low roof) sighting through the rear V and directly through the bottom of the front blade. When I say bottom I literally mean the point where the foresight is attached to the barrel.
For various reasons Pyrodex and black powder as propellants are out. I'm stuck with Hodgdon FFFG on this range and there are no realistic options to shoot elsewhere.
The above being the case are others on here shooting the same pistol with the same propellant doing better than this and if so what load are you using?
I'm wondering if 30 grains is sufficient and maybe I ought to crank up the load.
I have a Pietta .36 Colt Navy which doesn't suffer to this extent and I regularly hit the bull with that - so it's not just that I'm a lousy shot. :)
It has the traditional fixed sights - I opted for this over target sights because, well, it's more 'cowboy' - and why not?
I'm shoot it on an indoor range at 20 yards.
My current load is 30 grains by volume of Hodgdon FFFG
I use a lubed Ox-Yoke Wonder Wad on top.
I'm using pure lead balls - these, in fact:
http://www.ebay.co.uk/itm/44-454-Lead-R ... SwYGFUuQii
They really are very round - better than I've bought from specialists in fact. Those always seem to have a flat on them from the mold. They weigh, on average, 137.2 grains.
I don't use any fillers. I consistently ram the load to the same depth - not hugely compacted as hard as possible but snug.
There is scope for a good deal more powder. I'd say at that loading you could maybe get another ball and a half in there (not very scientific but a good visual image).
My problem is the trajectory is like a banana. It drops considerably over that 20 yards - I would say as much as three foot from the point of aim (although I've not measured it accurately with a tape).
At the moment to get rounds on paper I am aiming at the wooden crossbeam of the ceiling (it's a low roof) sighting through the rear V and directly through the bottom of the front blade. When I say bottom I literally mean the point where the foresight is attached to the barrel.
For various reasons Pyrodex and black powder as propellants are out. I'm stuck with Hodgdon FFFG on this range and there are no realistic options to shoot elsewhere.
The above being the case are others on here shooting the same pistol with the same propellant doing better than this and if so what load are you using?
I'm wondering if 30 grains is sufficient and maybe I ought to crank up the load.
I have a Pietta .36 Colt Navy which doesn't suffer to this extent and I regularly hit the bull with that - so it's not just that I'm a lousy shot. :)