ASSRA Forum - Advice for bullet mold for .38-55

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Advice for bullet mold for .38-55 (Read 253 times)

La Longue Carabin Newbie Offline Posts: 3 Location: Texas Joined: Mar 27^th, 2016	Advice for bullet mold for .38-55 Jul 14^th, 2025 at 8:35am	Print Post
	I am new to bullet casting and would appreciate advice on a good mold for a single shot rifle with a Krieger 1-14" twist barrel and bore/groove dimensions of.366/.375. It is not throated for breech seating. I am thinking a bullet weight of over 300 grains for target shooting at 200 yards plus distance. Thanks!

	La Longue Carabin
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frnkeore Frequent Elocutionist Offline Posts: 7448 Location: Central Point, OR 97502 Joined: Jun 16^th, 2010	Re: Advice for bullet mold for .38-55 Reply #1 - Jul 14^th, 2025 at 1:17pm	Print Post
	You can shoot a bullet, at least 1.5" long, with ogive of .65 long and a meplat of .18, like Accurate Molds could do. A bullet like that, would be in the 380 gr range.

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La Longue Carabin Newbie Offline Posts: 3 Location: Texas Joined: Mar 27^th, 2016	Re: Advice for bullet mold for .38-55 Reply #2 - Jul 14^th, 2025 at 2:22pm	Print Post
	Thank you.

	La Longue Carabin
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oneatatime Frequent Elocutionist Offline Posts: 4058 Location: Rocky Mountains Joined: Oct 30^th, 2011	Re: Advice for bullet mold for .38-55 Reply #3 - Jul 14^th, 2025 at 2:40pm	Print Post
	Here's a post I found from someone who shoots a 14 twist barrel. These sound like reasonable weights. "I run 1-14 twists in my 38-55s I shoot the lyman 330 grn postel ad the Old west 350 grn Nasa bullets Over olde ensforde or swiss 1 1/2f powder. We shoot swinging targets so a ring and wiggle is all thats needed. Even the heavy 500 yd rams give a good wiggle when hit, not what the 550 grn from my 45-90 gives but its easy to see."


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4570mike Senior Forum Member Offline Posts: 413 Location: On the Peninsula Joined: Apr 11^th, 2013	Re: Advice for bullet mold for .38-55 Reply #4 - Jul 15^th, 2025 at 8:17pm	Print Post
	I have several 38-55's some with a 14 twist; some with a 15 twist. All modern ".375" barrels like yours. All of them like the Accurate Molds 38-320L. I have them made with a body diameter of 0.378" and the bore rider diameter of 0.367". I size them to 0.377" and lube them at the same time. I shoot smokeless, but not hot loads. They will knock over a ram at 500M, but a heaver slug (370 gr.) does it better


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Oakdale Junior Member Offline Posts: 76 Location: Maplewood, MN Joined: Jun 7^th, 2017	Re: Advice for bullet mold for .38-55 Reply #5 - Jul 16^th, 2025 at 9:11am	Print Post
	I'm just getting started with loads for my CPA in .38-55. Mold is tapered for breach seating and weighs 345-grains. Smokeless powder only so far. The 30" barrel is a Bartlien 1:12 twist. Mold is Accurate 38-330A. Tom


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art_ruggiero Frequent Elocutionist Offline Posts: 1161 Location: CT Joined: Dec 14^th, 2008	Re: Advice for bullet mold for .38-55 Reply #6 - Jul 16^th, 2025 at 9:30am	Print Post
	you can use more bullet with the 12 twist art


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Oakdale Junior Member Offline Posts: 76 Location: Maplewood, MN Joined: Jun 7^th, 2017	Re: Advice for bullet mold for .38-55 Reply #7 - Jul 16^th, 2025 at 11:52am	Print Post
	Art, good to know. Am focusing on IMR4227 right now. Am @ 18.5- grains but MIGHT try 19.0- grains. Am cautious about getting too hot of a load. Tom


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