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45-70 "Trapdoor" rifle ammo

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Old 08-01-2009, 02:20 AM   #11
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Originally Posted by 30-30remchester View Post
As stated above MOST factory ammo is safe for a "trapdoor" however jacketed bullets will rapidly wear the barrel of a Springfield. You should only use jacketed sparingly. The barrels were made of soft steel well before anyone even thought of jacketed bullets.
FACTORY ammo for lever actions should NEVER be shot in a trapdoor. At least thats what Hornday and Hodgdon told me when I emailed them. I guess they don't know what they are talking about.

Here are reloading data for each notice the higher pressures and velocity of the lever action loads.

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Old 08-01-2009, 08:08 AM   #12
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Originally Posted by 30-30remchester View Post
The barrels were made of soft steel well before anyone even thought of jacketed bullets.
I've got news for ya. Barrels are still made out of soft steel and a copper jacket is still softer than the softest steel you can find. Some TD's work fine with jacketed rounds and some don't. The ones that don't usually have oversize or worn bores.
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Old 05-28-2011, 01:55 PM   #13
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smokeless in my 1873 original is just fine if you keep the pressure down, around 1200fps ,
i use trailboss its a very forgiving powder for all "cowboy"loads and there is no chance of a double load its so bulky, its not temp sensative so no filler (dacron or the like) is needed.
just remember these smokepoles are 120+ year old and common sense should prevail when loading smokeless but keep them mild and they are great fun.
BP is more funner though.
casting my own i use ideal molds 457124---405grn and 457125---500grn,
i have the 457130 coller button it drops around 145grn ,,this is gonna be my "catsneeze" plinker ,i haven't shot it yet but i'll bet its fun.
be sensible and shoot safe and have a great weekend.
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Old 05-28-2011, 04:44 PM   #14
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I load 12gr. of Trail Boss with 405GrFN which keeps pressure down and runs less than 1000fps and is very easy on the gun and shoulder. My trapdoor is an original 1884 and is a pleasure to shoot. Best regards
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Old 05-28-2011, 07:36 PM   #15
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i agree blitzen trailboss and traps were made for each other , i bet they wished they had TBOSS 100 years ago.
you and yours have a great holiday weekend
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Old 04-03-2014, 05:31 PM   #16
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Default 45-70 Trapdoor ammo

There is a ton of trapdoor ammo at check it out, it's a hot round that i would definitely recommend.

Last edited by JonM; 04-03-2014 at 06:10 PM. Reason: removed spam
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Old 04-03-2014, 06:09 PM   #17
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