181 Shock Hammer & H1000

[FishfinderAK]

Anyone have a pet recipe for their 300 WM, using the 181 Shock Hammers, H1000, and Gunwerks brass?

I haven’t tried the Hammer bullets but the sound great!

I talked to Steve and he recommended using IMR 4831. I thought I had a little, but I don’t. BUT I do have a lot of H1000. Can I assume I would use a similar charge as the one (76 g) I use for 180 GMX?

Thank you!

 

[hntnnut]

I'm close to the same components, 181 Hammer hunters, ADG brass, h1000 and GM215M primers. In my gun, a CA Ridgeline, I'm @ 74.0 gr. and getting 2330 FPS and groups under 1/2". I'm not going more than 74.0 in my gun for now as I'm averaging 80 fps over my expected max velocity of 3150 fps. I need to do more load work but I'm real happy with my initial results.

Richard

 

[FishfinderAK]

I'm close to the same components, 181 Hammer hunters, ADG brass, h1000 and GM215M primers. In my gun, a CA Ridgeline, I'm @ 74.0 gr. and getting 2330 FPS and groups under 1/2". I'm not going more than 74.0 in my gun for now as I'm averaging 80 fps over my expected max velocity of 3150 fps. I need to do more load work but I'm real happy with my initial results.

Richard

Thanks so much for the reply! Quick question tho, approx what’s your muzzle velocity? You mentioned 2 different numbers. Thank you again!

 

[hntnnut]

I'm getting 3230 FPS with 74.0 gr. if you go to the hammer bullet forum, there is a long thread on 181s in the 300 Win Mag. and most people are hitting pressure signs just north of 3150 fps. The biggest difference I see between my load and what your looking to do is the bullet, the shock hammers and the hammer hunters are a slightly different profile. I can't say for sure but the shock hammers appear to have more bearing surface requiring less powder. I've herd Gunwerks brass is made by ADG and thus the same. Personally if I were you I would start out at 70-71 grains and bump up in .5 increments watching velocity and pressure signs.

Richard

 

[FishfinderAK]

Well I I finally ordered my Shock Hammers and received them yesterday. Hoping to work up some loads this weekend. I just wanted to revive this thread to see if any more suggestions with H1000 and 181 SHock Hammers.

Nosler data, (Hammer owner, Steve recommends following) calls for 77-81g H1000. Much higher than the 71g start recommend below.

I don’t want pressures right away, but I don’t wanna bullet stuck in the barrel either.

Anymore suggestions?

Stock 300wm Tikka 1:11

 

[ID_Matt]

Well I I finally ordered my Shock Hammers and received them yesterday. Hoping to work up some loads this weekend. I just wanted to revive this thread to see if any more suggestions with H1000 and 181 SHock Hammers.

Nosler data, (Hammer owner, Steve recommends following) calls for 77-81g H1000. Much higher than the 71g start recommend below.

I don’t want pressures right away, but I don’t wanna bullet stuck in the barrel either.

Anymore suggestions?

Stock 300wm Tikka 1:11

Worried about stabilizing in that barrel? Doesn't Hammer recommend a 1:9.5?

 

[Runningwater]

Hammer recommends a min of 1:11.5 for the 181 shock hammer, the 1:9.5 is for the hunters.