Ballistic gelatin test results: 7.62x39mm softpoint

[Brass Fetcher]

Firearm : gas-operated semi-automatic with 20" barrel length and 1/10" twist

Cartridge : Federal Classic Hi-Shok 123gr softpoint

Block calibration : All depths corrected (10.9cm at 593 ft/sec)

Single shot impacted the block at 2254 ft/sec, penetrated to 14.0" and was recovered at 0.632" average diameter.

Bullet exhibited significant fragmentation and was recovered at 93.7gr. The primer almost backed out of the primer pocket - the guns owner reasoned that the round was underpressure, due to the groove diameter of his weapon being 0.311", while the ammunition in usage was a true 0.308" bullet.

 

[R.W.Dale]

great test!


Any chance we could get some real x39 ammo tested, Something like Wolf 122grn HP or the 154grn SP?

 

[Brass Fetcher]

ha... $ure thing

 

[NailGun]

Thanks for posting these tests!
The "watermark" looks good too.

NailGun

 

[petej]

Wolf Military Classic 124gr 7.62X39 gello tests

http://www.stoppingpower.net/forum/topic.asp?TOPIC_ID=11907

test gun-Yugo SKS

penetration-22.5" thru 4 layers of denim

expansion-.58"-round tumbled and came apart just like Sapsan does-this is not your Father's Wolf 7.62X39 jhp

 

[dispatch55126]

Did you get a new shipment of gelatin?

 

[Lucky]

Awesome work, as always. JE, can't you heat the gelatin up and re-use it?

 

[Brass Fetcher]

Thank you... I should be getting the shipment of gelatin from Shadan7 tomorrow... Good thing too - I have only ~ 1/4 a pistol block left of powder!

 

[dispatch55126]

Always wanted to buy some to play around with, but never have.

 

[Lucky]

JE, do you throw it away after shooting the gelatin, or can you recycle it?

 

[Brass Fetcher]

You can recycle gelatin by melting it down. I will do this occasionally when I am trying to figure out what to test on its own block - IE, if its a pistol bullet that goes 7" in the block, there is no point in testing it in a block made of 'new' powder.

So far, I haven't noticed any difference between penetration/expansion in a recycled block or in a 'new' block - whatever difference there may be is likely within the level of uncertainty inherent to gelatin blocks/testing with bullets.

 

[Jackal]

Great testing JE223. Thanks for taking my advice, lol.