Max Max 9mm reloads -?camp carbine?


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Keb
March 10, 2013, 11:18 PM
I bought about 2000 9mm reloads in an estate during 2007. I have shot many in a Smith 5906. They were made in 1994. I knew they were Max.

His recipe: 115 rn lead with 4.9 Bullseye. Today's books stop short of that. His label says 1200fps.

I am going to pull ten and verify them. I have over 400.

Would they be safer in a rifle such as a Camp Carbine?

Your thoughts?

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joneb
March 11, 2013, 12:06 AM
I would work up a load for the carbine. There will a significant increase in velocity and depending on the bullet hardness the micro groove rifling may not be able to hold the bullet.
I have a camp 45 I installed a 16.5 lbs Wolff recoil spring and a upgraded recoil buffer to handle max loads.

OldTex
March 11, 2013, 12:28 AM
In my old and dog-eared Lyman manual, 46th Edition, it lists 4.9gr of Bullseye as the max load with 115gr cast bullets. Velocity is listed at 1200 from a 4" revolver barrel. Sounds like he had the same book. Me? I wouldn't worry about them unless there are signs the loader was sloppy with other details and may have been sloppy with his charge weights, too.

I have always gotten significant increases in velocity when firing pistol loads in carbines. I can't find my figures for my 9mm loads through my Colt AR w/ 16.1 in barrel but my memory is about a 20% increase.

I recently tried some standard .38 Special loads through my S&W 6" revolver and the new 1866 carbine I got my wife for Christmas (19" barrel). I didn't have the chrony set up but you could easily see the difference in delivered energy. I was shooting at one of those spinner targets at about 20 yards. The pistol would rock the spinner back almost level with the ground. The carbine would spin it completely around for two revolutions.

bds
March 11, 2013, 03:40 AM
2004 Alliant load data (glarp.atk.com/2004/2004Catalogs/2004AlliantPowderSM.pdf) lists 4.9 gr as max charge for 125 gr lead bullet using 1.150" OAL.

http://www.thehighroad.org/attachment.php?attachmentid=181191&stc=1&d=1362983568

Current Alliant load data (http://www.alliantpowder.com/reloaders/powderlist.aspx?page=/reloaders/powderlist.aspx&type=1&powderid=1&cartridge=23) lists 4.7 gr as max charge but for Gold Dot HP bullet at 1.125" OAL.
9mm Luger 115 gr Speer GDHP Bullseye OAL 1.125 Max 4.7 gr 1,144 fps

Lyman #49 lists:
115 gr JHP OAL 1.090" Start 3.5 gr (945 fps) 18,700 CUP - Max 4.8 gr (1184 fps) 31,700 CUP

120 gr lead RN OAL 1.065" Start 3.4 gr (939 fps) 23,600 CUP - Max 4.2 gr (1175 fps) 32,500 CUP

120 gr lead SWC OAL 1.110" Start 3.8 gr (1047 fps) 28,400 CUP - Max 4.2 gr (1124 fps) 31,200 CUP

FWIW, I used 4.3 gr of Bullseye with 115 gr FMJ at 1.125"-1.135" OAL.

bds
March 11, 2013, 03:57 AM
This post is from another thread - http://www.thehighroad.org/showthread.php?p=8105094#post8105094
I wrote alliant some time ago asking about lead bullet loads, This is part of the response I got from Ben Ammonette:

115 gr jacketed bullet
Bullseye start 4 grs max 4.5 grs

124/125 gr lead
Bullseye start 3.8 grs max 4.3 grs

124/125 gr jacketed
Bullseye start 3.9 grs max 4.3 grs

147 gr lead
Bullseye start 2.8 grs max 3.3 grs

MikeS.
March 11, 2013, 04:12 AM
OP, if you haven't already replaced the buffer on your Camp9 DO SO before you fire it.

I had an original buffer fail, it cost me a new stock and a trigger group part.

joneb
March 11, 2013, 04:28 AM
I had an original buffer fail, it cost me a new stock and a trigger group part.
It is wise to be cautious, I was lucky when the factory recoil buffer gave way. I only had to replace the hammer strut bridge.
http://www.blackjackbuffers.com/index.php?main_page=product_info&products_id=196
http://www.gunsprings.com/Rifles%20%26%20Shotguns/MARLIN/CAMP%20CARBINE/cID2/mID101/dID168
I use a 16.5 lbs that replaced the 11.5lbs factory spring, works well.

Clark
March 11, 2013, 10:52 AM
CAUTION: The following post includes loading data beyond currently published maximums for this cartridge. USE AT YOUR OWN RISK. Neither the writer, The High Road, nor the staff of THR assume any liability for any damage or injury resulting from use of this information.

I have worked up loads with 115 gr JHP Bullseye in 5 different 380s at .97" OAL.

Two have case bulge trouble at 3.8 gr
One has case bulge trouble at 4.6 gr
Two get to case full at 6.5 gr

If I worked up to 6.5 gr in one pistol, and tried to shoot it in pistol with 3.8 gr limit, I would have parts all over the place.

What does it all mean?
Don't develop loads in one gun to shoot in another.

EMC45
March 11, 2013, 12:09 PM
The Camp Carbine is a blowback weapon. I have the .45 ACP CC and my buffer failed unknown to me. I was shooting book loads with cast bullets. Was shooting and looked down because the stock felt funny in my hand. It was cracked down both sides of the wrist. The buffer had crumbled and allowed the bolt to bang back and forth in the receiver, which in turn cracked the stock. I got a few new ones from Blackjack Buffers and had to epoxy and clamp the new stock. What a bummer.

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