ASSRA Forum - Best Barrels 45-70, 45-90

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Best Barrels 45-70, 45-90 (Read 1535 times)

marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 15750 Location: Oregon Joined: Feb 2^nd, 2009	Re: Best Barrels 45-70, 45-90 Reply #15 - Feb 8^th, 2024 at 11:57am	Print Post
	Pretty tough to build a gun with one barrel that will be best for hunting, and still be best for long range shooting. Hunting barrels would be better at a #3 weight, and no more than 30", but better at 26"-28". The long range barrels are usually starting at 30" and most prefer 32"-34" barrels. And since they're not packing them all day in the field, the #4 weight is usually the most common choice. The .45-90 having more powder capacity will be wasted on a short barrel. A lot of the powder will burn after the bullet has exited the barrel. So since your plan is to build two actions you'll be better off building the .45-70 as a lighter hunting rifle, and the .45-90 as a heavier, longer barrel match rifle.

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BudHyett Full Member Offline Posts: 237 Location: Pacific Northwest, WA State Joined: Jun 25^th, 2011	Re: Best Barrels 45-70, 45-90 Reply #16 - Feb 8^th, 2024 at 12:43pm	Print Post
	I applaud your choice to build two rifles. Any compromise to build a dual-purpose rifle will fully satisfy neither requirement. The .45-70 is far easier to get brass for in this current brass-scarce scenario. If you don't have .45-90 brass, I'd go with .45-70 for both rifles since you can always rechamber later. My two favorite .45-70 rifles are a Shiloh Quigley for target shooting and a custom 10-pound Rolling Block for hunting. The Quigley shoots far better than I can shoot it. The Rolling Block has a heavy sporter weight 30 inch barrel that points easily and well. The Rolling Block is heavy to carry, but I shoot from several places overlooking known crossing points. Twist on both is 1 in 18" which stabilizes bullets to 540 grains (And who wants to shoot more since the recoil adds up during a match?). I shoot the SAECO 1881 mold with 20:1 alloy for long range. This bullet is an exact copy of the 500 gran round-nose Trapdoor bullet. Both rifles prefer this bullet and I score better with this bullet than heavier or semi-pointed bullets.

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RollingBlockHeadMi Participating Member Offline Posts: 49 Joined: Jan 31^st, 2024	Re: Best Barrels 45-70, 45-90 Reply #17 - Feb 8^th, 2024 at 12:46pm	Print Post
	Thanks BudHyett So unless I'm missing something her. I shoot my .264 WinMag out pretty far on targets, coyotes and deer. If I have the knock down power with the 45-70 and 45-90 the bullet doesn't know what I'm shooting. I just need to be clear that the weapon will perform in the manor of which it is applied.


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SchwartzStock Frequent Elocutionist Offline Posts: 1011 Location: SchwarzWald Joined: Mar 23^rd, 2010	Re: Best Barrels 45-70, 45-90 Reply #18 - Feb 9^th, 2024 at 4:43am	Print Post
	beltfed wrote on Feb 8^th, 2024 at 10:26am: Rollingblockhead I suggest you build one for hunting-lighter,shorter barrel and one for target/match shooting-heavier barrel-30inch number 3 is a good all around length for target/match. Longer barrels only invite BP fouling control challenges beltfed/arnie Good Advice! Unless you really want a 34 inch barrel I would stay with 30 inches. 34 will give you more sight radius but you will need to contend with needing more bullet lubricant than a 30 inch tube, fouling can get more difficult to control (I assume you plan to use BP).
	« Last Edit: Feb 9^th, 2024 at 6:30am by SchwartzStock »
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RollingBlockHeadMi Participating Member Offline Posts: 49 Joined: Jan 31^st, 2024	Re: Best Barrels 45-70, 45-90 Reply #19 - Feb 9^th, 2024 at 7:52am	Print Post
	BP is it, yes. what I'm asking here with nothing else being the issue, weight brass ect. Is Barrel length. If a 34" was the main barrel issued with these two rifles that's what I want to know. If a 34" is going to give me better performance and accuracy, then that's what I want to know. Thanks everyone.


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gunlaker Frequent Elocutionist Offline Posts: 2242 Location: lower mainland, B.C. Joined: Dec 13^th, 2010	Re: Best Barrels 45-70, 45-90 Reply #20 - Feb 9^th, 2024 at 8:58am	Print Post
	If you want to know what the most common barrel length was, it sort of depends. If you are talking original long range rifles, most of the time 34", with a total rifle weight of 10 pounds. Not something people generally do these days. For a hunting rifle it could vary. Building a 30" barrel would never be a bad choice and was pretty common for many rifles in the old days. Nowadays we have different rules, most particularly on rifle weight. My black powder rifles are all target rifles and have heavy barrels from 28" to 34" and they all work well. Chris.


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4060may Full Member Offline Posts: 163 Location: Richfield Joined: Jul 12^th, 2006	Re: Best Barrels 45-70, 45-90 Reply #21 - Feb 9^th, 2024 at 10:20am	Print Post
	keeping in mind if you are going to shoot NRA , BPCR weight limit is 12.5 pounds with sights, IIRC


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gunlaker Frequent Elocutionist Offline Posts: 2242 Location: lower mainland, B.C. Joined: Dec 13^th, 2010	Re: Best Barrels 45-70, 45-90 Reply #22 - Feb 9^th, 2024 at 11:05am	Print Post
	4060may wrote on Feb 9^th, 2024 at 10:20am: keeping in mind if you are going to shoot NRA , BPCR weight limit is 12.5 pounds with sights, IIRC The 12lb 2 oz limit is just for silhouette iron sights. If a scope is used for silhouette the weight is 15lbs. Mid range and long range are 15 lb limits regardless of sights. Chris.


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