Thread: Subsonic project

Originally Posted by mawzer308

So with us all being in Lockdown, boredom has set in and I've decided to turn my Rossi 44 magnum into a Sub gun. Plan is to cut the barrel to around 16 -17inches so the suppressor is just off the fore end.
Looking at a DPT over barrel with 16x1 thread or the local gunsmith has said he could bore out a stealth suppressor which he stocks, to 44.

Powder wise I'm looking at Trail boss, anything else I should be looking at? I have heard of shotgun powders being used but not a fan of using case fillers.

I've got some 270gr cast lead HP on the way from @shooternz, I will also use "supers" in the rifle as well.

What sort of accuracy can one except (1:30RH twist)? It is by no means a long range prospect, max range would be 100m, but ideally a lot closer.

Optics I have are a 3moa red dot, a 2x20 Weaver or 1-4x32 Bushnell.

I am also under no illusion that shot placement is critical and that CNS/high shoulder shots or head and neck shots are best.

Any thoughts, recommendations or experience would be great.

James

Don't worry about fillers not needed in the .44 Mag with any of the shot gun powders, Look up loads for the .44 Special for start loads
I have gone down to 6 grains of Trail Boss with the 270 HP very quiet and very slow 6.5 or 7.0 grains is better
Going to try 700X when out of lockdown got heaps of it should not have any problem finding some
For supers 2205/4227 is good and can be used for subs; with 13.5 grains in my Bergara is 1000 fps
Winchester 296 and H110 is max load only powder,