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Old 04-16-2018, 06:57 PM
DAVID DAVID is offline
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Default 30X357 magnum

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














Shooting sub-sonic at 1,040 fps., the hammer striking the firing pin makes more noise than the gun does when fired!
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Old 04-16-2018, 06:58 PM
DAVID DAVID is offline
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Old 04-17-2018, 12:36 AM
squirrel_slayer squirrel_slayer is offline
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Quote:
Originally Posted by DAVID View Post
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.
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Old 04-17-2018, 01:02 AM
DAVID DAVID is offline
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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!
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Old 04-17-2018, 01:33 AM
ZKW465 ZKW465 is offline
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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
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Old 04-17-2018, 02:35 AM
cavscout68 cavscout68 is offline
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A buddy is building a 6.5x357 max. In a h&r single shot. That looks awesome.
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Old 04-17-2018, 03:30 AM
DAVID DAVID is offline
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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!
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Old 04-17-2018, 04:06 AM
squirrel_slayer squirrel_slayer is offline
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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.
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Old 04-17-2018, 05:29 AM
DAVID DAVID is offline
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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...
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Old 04-17-2018, 05:42 AM
GLWenzl GLWenzl is offline
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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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