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#2 rolling block, changing caliber (Read 1120 times)

danh Participating Member Offline Posts: 14 Joined: Oct 26^th, 2017	#2 rolling block, changing caliber Jun 18^th, 2023 at 2:44pm	Print Post
	Is it possible and safe to rechamber a number 2 rolling block in 32 rimfire to one of the center fire cartridges like 32 s&w or 32-20, along with changing firing pin location? Thanks


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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 15771 Location: Oregon Joined: Feb 2^nd, 2009	Re: #2 rolling block, changing caliber Reply #1 - Jun 18^th, 2023 at 4:23pm	Print Post
	No, you have to change the firing pin location to centerfire, regardless of which CF cartridge you chose. But either cartridge you mentioned is safe in the #2.

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SchwartzStock Frequent Elocutionist Offline Posts: 1018 Location: SchwarzWald Joined: Mar 23^rd, 2010	Re: #2 rolling block, changing caliber Reply #2 - Jun 18^th, 2023 at 4:35pm	Print Post
	Marlin guy was not too clear, Yes, you can do it but you must change to center fire.

	Halt Fest! Ziel Gut! Schiess Fleck!
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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 15771 Location: Oregon Joined: Feb 2^nd, 2009	Re: #2 rolling block, changing caliber Reply #3 - Jun 18^th, 2023 at 5:23pm	Print Post
	SchwartzStock wrote on Jun 18^th, 2023 at 4:35pm: Marlin guy was not too clear, Yes, you can do it but you must change to center fire. I was perfectly clear. "No, you have to change the firing pin location to centerfire,"

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ndnchf Oldtimer Offline Posts: 987 Joined: Mar 6^th, 2014	Re: #2 rolling block, changing caliber Reply #4 - Jun 18^th, 2023 at 8:01pm	Print Post
	FYI - from my research, despite the "32" barrel stamp, #2 rifles are actually chambered for the .32 extra long rimfire cartridge.


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George Babits Frequent Elocutionist Offline Posts: 1079 Joined: Sep 27^th, 2012	Re: #2 rolling block, changing caliber Reply #5 - Jun 18^th, 2023 at 9:30pm	Print Post
	YES! no big deal. Many years back I had a 32 RF #2 relined and chmbered to 32-20. Changing the block to centerfire is pretty straight forward. My kids learned how to shoot with this rifle and we have put many throusands of rounds through it over the last 35+ years. My load is 11 grains of 4227 and a 115 grain gas check flat point. Never had a bit of trouble and the rifle still shoots great. If the bore is good it might just work with rechambering and an over size bullet mould. George


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1isenough Full Member Offline Posts: 202 Location: Louisville, KY Joined: Dec 28^th, 2017	Re: #2 rolling block, changing caliber Reply #6 - Jun 19^th, 2023 at 10:20am	Print Post
	Danh, If you want to use the original bore, the first thing I would do is slug the barrel to be sure you know the groove diameter, thus the bullets you will want to use. Also, check the twist rate so you can calculate the length of bullet that will stabilize at the speeds you would be loading in 32 S&W or 32-20. The groove diameter for the 32 rimfire seem to range from .308 to .315 based on what I have read. No sure about twist rate. I like George's idea - line it with a .312 groove and chamber to 32-20, or maybe a .308 groove and chamber for 30-20 (better bullet selection). Also, you could get a faster twist rate, say 1:16, so you can shoot heavier/longer bullets than the 32 rimfire bore will allow. BTW, you asked your question very clearly. Some of the early responses apparently did not read your thoughts completely.


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RAM Participating Member Offline Posts: 34 Location: Henning, Minnesota Joined: Sep 27^th, 2020	Re: #2 rolling block, changing caliber Reply #7 - Jun 19^th, 2023 at 11:43am	Print Post
	I have a #2 that was in 32 RF that was in a bad state. I rebuilt it and moved the firing pin location to CF, and sleeved the barrel and chambered to 32 H&R mag. Turned out very nice and a great little shooter. The reason I went with 32 H&R was I already had the reamer and all of dies and components and did not have purchase those for a new caliber I did not have.


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danh Participating Member Offline Posts: 14 Joined: Oct 26^th, 2017	Re: #2 rolling block, changing caliber Reply #8 - Jun 19^th, 2023 at 3:12pm	Print Post
	Thanks for the help. The bore is pretty nice, now I have to figure which direction to go.


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ndnchf Oldtimer Offline Posts: 987 Joined: Mar 6^th, 2014	Re: #2 rolling block, changing caliber Reply #9 - Jun 19^th, 2023 at 3:24pm	Print Post
	danh wrote on Jun 19^th, 2023 at 3:12pm: Thanks for the help. The bore is pretty nice, now I have to figure which direction to go. One option not discussed is to leave it original and make reloadable .32 extra long rimfire cases. Its a very accurate cartridge. I've discussed how to do this several times here on the forum. Yeah, its a bit of work, but once made - they can be reloaded many times. Or, for less work, just convert the block to centerfire and make .32 extra long centerfire brass. I've made a lot of these too.


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1isenough Full Member Offline Posts: 202 Location: Louisville, KY Joined: Dec 28^th, 2017	Re: #2 rolling block, changing caliber Reply #10 - Jun 20^th, 2023 at 12:38pm	Print Post
	I'm curious - ndncf, please share with us how to make 32 long rimfire centerfire cartridges. Sounds like something we all need to know how to do. Always looking for something new to try. Thanks.


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ndnchf Oldtimer Offline Posts: 987 Joined: Mar 6^th, 2014	Re: #2 rolling block, changing caliber Reply #11 - Jun 20^th, 2023 at 12:59pm	Print Post
	1isenough wrote on Jun 20^th, 2023 at 12:38pm: I'm curious - ndncf, please share with us how to make 32 long rimfire centerfire cartridges. Sounds like something we all need to know how to do. Always looking for something new to try. Thanks. I've made several posts about doing it. Here is one. (You need to *Login* or *Register* to view media files and links) But use the search function to find other discussions. Search for "32 extra long".


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ndnchf Oldtimer Offline Posts: 987 Joined: Mar 6^th, 2014	Re: #2 rolling block, changing caliber Reply #12 - Jun 20^th, 2023 at 1:03pm	Print Post
	The centerfire equivalent of 32 extra long rimfire is .32 Ballard Extra Long. (You need to *Login* or *Register* to view media files and links)


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