321 GNR

Frank Simon
[subject]
Thursday, January 24, 2019, 16:27 (2779 days ago)

Gary,Can the .321GNR be done on a Single Six? if so would it be a 5 shot or 6 shot cylinder ? Thanks

Not Gary, but would require an Old Model Single Six...

Huey
[subject]
Thursday, January 24, 2019, 17:13 (2779 days ago) @ Frank Simon

Due to the wide rim of the 357 Magnum case. Otherwise it would get into the transfer bar channel when opening the loading gate.

My 256 Winchester required a five shot cylinder. I'm sure all the same rules would apply since the same base case is used for both rounds.

If I'm wrong on any of this, Gary can correct me.

I highly recommend this conversion. No finer Trail Gun our there than my own Old Model build.

I have one more Old Model base gun hoarded back. I'm torn between the 321 GNR and the old 38-44 H.D. Special. I'll have to decide or find another base gun and build both.

321 GNR

Frank Simon
[subject]
Thursday, January 24, 2019, 17:25 (2779 days ago) @ Huey

Huey then would you use a Standard Black hawk to do this if you could not find a old mod ss?

I would recommend the Blackhawk. You have more range of

Gary Reeder
[subject]
Thursday, January 24, 2019, 17:29 (2779 days ago) @ Frank Simon

bullets than will fit in a Single Six.

321 GNR

Frank Simon
[subject]
Thursday, January 24, 2019, 17:33 (2779 days ago) @ Gary Reeder

ok on Blackhawk...on ss6 would it be a 5 shot or 6 shot cylinder...and would the 125 grn bullet from MBW work in that configuration? that is the main bullet I shoot in my ss6 H&R mags...Thanks

Like Gary said, the Blackhawk much more forgiving...

Huey
[subject]
Thursday, January 24, 2019, 17:37 (2779 days ago) @ Frank Simon

On bullets. The Trail Gun is limited to 1.6" and the Blackhawk closer to 1.8".

Honestly, they aren't hard to find at all. I bought two...

Huey
[subject]
Thursday, January 24, 2019, 17:34 (2779 days ago) @ Frank Simon

Far cheaper than the New Models. I'm just very careful to buy the adjustable sight models.

I really like the Trail Gun concept on the Single Six Frames. Gary and his crew just finished my 9th and I have several more planned.

Your 321 GNR could have auxiliary 30 Carbine, 32-20 and 327 Federal cylinders. There's just no end to the versatility.

321 GNR

Frank Simon
[subject]
Thursday, January 24, 2019, 18:00 (2779 days ago) @ Frank Simon

What is the vel. of 321 with a 125gr cast?

Havent chrono'd anything yet but

Amede
[subject]
Thursday, January 24, 2019, 19:19 (2779 days ago) @ Frank Simon

these 130gr LGCHP are showing some promise. And they expand at lower velocities than others.

Pic finally

Amede
[subject]
Thursday, January 24, 2019, 19:33 (2779 days ago) @ Amede

and another

Amede
[subject]
Thursday, January 24, 2019, 19:35 (2779 days ago) @ Amede

here are some velocities, and all with a 13" barrel

Gary Reeder
[subject]
Thursday, January 24, 2019, 21:13 (2779 days ago) @ Frank Simon

86 grain HP...almost 2300
Rem.110 grain SP...almost 2100
Speer 110 grain HP...2200
125 grain HP...2000

only on an old model Single Six. The new model has

Gary Reeder
[subject]
Thursday, January 24, 2019, 17:24 (2779 days ago) @ Frank Simon

the opening where the transfer bar runs up and down. The 321 GNR uses the 357 Magnum case which has a large rim and when we open up the loading gate recess we cut into that transfer bar recess. The old model is solid in that area with no transfer bar recess so it will work with the larger 357 Magnum rim.

I just called Gary earlier and asked him the same thing.

Ray
[subject]
Thursday, January 24, 2019, 22:28 (2779 days ago) @ Frank Simon

I'm going to send in a Blackhawk to convert to 321. I think I'll go with Huey's suggestion also and get another cylinder, maybe 327 or 30 carbine.

.321gnr S6 cylinder

Frank Simon
[subject]
Friday, January 25, 2019, 06:16 (2779 days ago) @ Frank Simon

Gary, on a ss6 is the cylinder build a 5 shot or 6 shot. Thanks

5 shot

Gary Reeder
[subject]
Friday, January 25, 2019, 10:37 (2779 days ago) @ Frank Simon

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