Trouble with a Henry Big Boy .357.... - Graybeard Outdoors
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post #1 of 13 (permalink) Old 01-12-2016, 10:33 PM Thread Starter
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Default Trouble with a Henry Big Boy .357....

I purchased a Henry Big Boy in .357 caliber earlier last year and finally got a chance to shoot it about a month ago and I am having a problem with the gun.

I am using Winchester Cowboy Action .38 special 158 grain flat nose rounds. When I load the tube and attempt to chamber the first round, the second round in the tube appears to be coming out about a quarter inch or so and blocking the action from lifting the first round into the chamber. If I put just one round in the tube, there is no trouble chambering the round.

Any suggestions?

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post #2 of 13 (permalink) Old 01-12-2016, 11:08 PM
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Default Re: Trouble with a Henry Big Boy .357....

i'm sure no henry expert, but i'd
say try some different types of ammo
before anything else was done.

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We have a people control problem.

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post #3 of 13 (permalink) Old 01-13-2016, 10:28 AM
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Default Re: Trouble with a Henry Big Boy .357....

I don't know what kind of setup the Henry's have for a cartridge stop, but with a new gun it could be something as simple as some gunk causing it to stick and not stop the next shell from popping out of the tube.

One thing for sure, if you can't solve it easily Henry will make it right!
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post #4 of 13 (permalink) Old 02-05-2016, 05:18 PM
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Default Re: Trouble with a Henry Big Boy .357....

Check out my post here [size=2px]Cheap 44 mag ammo in BB Steel[/size][/color]. I think you might be having an ammo issue.

Big Guns get''''r done!!!!
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post #5 of 13 (permalink) Old 05-10-2016, 12:41 PM
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Default Re: Trouble with a Henry Big Boy .357....

So you've got a .357 Magnum lever action rifle and are trying to shoot 38 Special rounds through it? Just taking a wild guess here, but the difference in length between the two cartridges may be the problem--the 38 Special case is 0.13" shorter than the 357 Magnum case, and lever action rifles do have a pretty specific cartridge OAL range that they will operate properly with. Too short or too long a cartridge, and the rifle won't function properly.
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post #6 of 13 (permalink) Old 05-29-2016, 11:05 AM
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Default Re: Trouble with a Henry Big Boy .357....

Make sure the lever is in the closed position when loading.
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post #7 of 13 (permalink) Old 07-02-2016, 11:59 AM
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Default Re: Trouble with a Henry Big Boy .357....

I believe I saw somewhere in the Manual that they said to use .38 that are as close as possible in length to the .357,
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post #8 of 13 (permalink) Old 07-02-2016, 10:23 PM
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Default Re: Trouble with a Henry Big Boy .357....

The .38s are too short. Some tube magazine guns won't handle a slightly short round. A better practice if you want a lower powered round is to start off with the long brass and then reload to a lower level. Also better in revolver to keep it closer to the forcing cone, and eliminate a fouling ring farther back in the cylinder. Although to be honest, I have not have a problem with the latter.

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post #9 of 13 (permalink) Old 07-29-2017, 05:58 PM
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From the 'Big Boy' owners manual-

The .357 Magnum Big Boy (Model H006M) is primarily designed with .357 Magnum cartridges in mind. While you can use .38SPL loads, you must ensure they are 158GR with an overall length that closely mimics the .357 Magnum cartridge. Due to the shoulder location on the carrier, the gun will not feed: 110GR, 125GR, 130GR, etc. .38 special loads reliably
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post #10 of 13 (permalink) Old 03-08-2020, 03:16 PM
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Default Round Feeding Tube Issue

Bought my Henry Big Boy .357 in 2011, but never got around to shooting it. I purchased a JM Marlin 1894 from 1990 in .357, and decided to take my Big Boy along. Had a hard time getting the tube to twist and release tube to place in rounds, and then could not get the brass tube back in. Seems the twist latch will not pass through to lock up the feeding tube.
Off to my FFL where I bought it, as he will see clearly the problem, and either get a new brass feed tube or send it back to Henry.
Glad I was taking it to the range!
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