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http://castboolits.gunloads.com/showthread.php?28961-Gas-check-install-w-out-sizing

this might help to

im thing of adding a gas check to a bullet that is plain base

im pretty sure that you can crimp gas checks on with a collet bullet puller
not 100% sure saying I've never tried it

well unless you have one big plastic injection machine i don't see how you can mold 30rd mags. having to have to cam out a ruffly 6.750 core that has little draft on it

well this weekend i will go get it from my brothers house in take better pictures. i do know that the only thing odd is that the bolt has the serial# x out n the serial# re stamped into it other then...

Remington UMC
Technical Information
Caliber: 300 AAC Blackout (7.62x35)
Bullet Weight: 115 Grains
Bullet Style: CTFB
Case Type: Brass

Ballistics Information:
Muzzle Velocity: 2280 fps...

59844

59845

59846

pick this one up a few years back for $100

.812 od 5.6875 oal it looks to be 5.375 from center of shellhead holder to center of pin

if you can find rex 3 powder way cheaper than unigue with a burn rate that about the same here its like $18 for 2.3#

hand reloading press

this might give you some info far as load data
http://castboolits.gunloads.com/showthread.php?72271-Subsonic-rifle-load-data-wanted-for-303-Brit
i would think that u be able to use the unique data...

is the length of your 230gr boolit??

I'll take a 3 cav. Cramer HP
lampdamon@gmail.com

well i have a aac handi in really like it for the price

this would be another good starting point
http://www.midwayusa.com/product/444951/ptg-do-it-yourself-die-blank-unpiloted-7-8-14-thread?cm_vc=wishList

582595826058261

i just have a self up in my bedroom in just bring what i need down in sit at table with the hand press

22 jet
223
38spl
45acp
44mag
300 blkout
270
410

2400 back in 97

58124 some of my first cast boolits sorry for bad picture don't have a good camera

i load 2.7gr trailboss with a cast 158gr swc its seem to be a pretty mild load