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-   -   30X357 magnum (http://www.saubier.com/forum/showthread.php?t=34093)

DAVID 04-16-2018 05:57 PM

30X357 magnum
 
This is a very fun and enjoyable little rifle that I built, chambered in 30X357 magnum, aka 300 Blackout-Rimmed...

http://i193.photobucket.com/albums/z...pstayqkg2l.jpg


http://i193.photobucket.com/albums/z...psqiws5rxu.jpg


http://i193.photobucket.com/albums/z...pse8i6gcqc.jpg


http://i193.photobucket.com/albums/z...psjnb5zjwo.jpg



Shooting sub-sonic at 1,040 fps., the hammer striking the firing pin makes more noise than the gun does when fired!

DAVID 04-16-2018 05:58 PM

http://i193.photobucket.com/albums/z...psprzf0og3.jpg


http://i193.photobucket.com/albums/z...psgzfpd5gd.jpg

squirrel_slayer 04-16-2018 11:36 PM

Quote:

Originally Posted by DAVID (Post 269430)
Shooting sub-sonic at 1,040 fps., the hammer striking the firing pin makes more noise than the gun does when fired!

is that integrally suppressed?

is that a shotgun turned into a stub or rifle turned to a stub? i've been wanting to do a build on a single shot like this.

DAVID 04-17-2018 12:02 AM

No, it's a muzzle brake screwed onto and permanently attached to the barrel...

The barrel stub started out as a 223...

This one was built for hog hunting!

ZKW465 04-17-2018 12:33 AM

David what powder are you using? I have a 30 carbine that i want to work up some sub loads for it. I think your 357 should be fairly close. That is an awsome little rifle by the way! Nice job;)

cavscout68 04-17-2018 01:35 AM

A buddy is building a 6.5x357 max. In a h&r single shot. That looks awesome.

DAVID 04-17-2018 02:30 AM

ZKW465 - I am using Unique and 1680 for sub-sonic loads and Winchester 296 for super-sonic loads...


Cavscout68 - I chamber for all of the 357 Maximum based wildcat cartridges. I need to finish my 17X357 Maximum and get a load developed for it. The last one I built for a customer, he was getting 3,800 fps. from his favorite load!

squirrel_slayer 04-17-2018 03:06 AM

Think they call that one the 17 super jet?(17 jet was the magnum length one) you should be able to get over 4k ft/sec from the 20gr bullets as it has more capacity than the 17 fireball/mk4. but then again pressure may be a touch less.

DAVID 04-17-2018 04:29 AM

You're right! I have a customer with a 17X357 Maximum shooting a Ruger #1 that I built several years ago, and he is getting a little over 4,000 fps. and unbelievable accuracy!

The 357 Maximum based cartridges that I have pressure tested, can safely handle pressures up to 52,000 psi without issue...

GLWenzl 04-17-2018 04:42 AM

When I was necking down the 357 max case I noticed that at about the 257 size it looked very sexy!

Here is a link with photos of some if my 357 max projects

http://www.saubier.com/forum/showthread.php?t=20871


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