#338 spectre trim length full

The longest one we made was 20' - without a suppressor it was quiet enough that my spotter did not realize I was FIRING, he thought I was throwing spent brass at him.Īccuracy - well, I suck at shooting, so I let another shooter try it. I have shot mostly the 10.5' versions, but 8.5' is possible.

#338 spectre trim length full

Any well built 9mm suppressor rated for full auto should not have ANY issues with this caliber.īarrel length - as short as 8.5' and as long as 20'. 338 Spectre is a pistol cartridge in terms of operating pressure and gas volume. On the use of pistol can, the SWR Trident is fully supported in terms of using it with this caliber. That in turn raises the muzzle pressure and it not good when using a pistol can. The lower volume can make it a challenge to get the 300 SMK-SS loads to run, unless you raise the chamber pressure. But yes, you can use 6.8 SPC brass, the challenge is that it has a lower volume and will require neck turning. I read the posts and hope to answer what I remember.īrass is Starline 10mm Magnum brass, they run it every so often, so typically it is good to buy when they go. It appears the username 'MartytW' is already taken, I might have taken it some time ago and forgotten my passwordĪt any rate, provided I am not violating any protocols by doing so, I am Marty ter Weeme, the designer of the. In answer to some previous questions, I believe 1:6 is the standard twist for the caliber and I get the impression that barrel length is flexible as many powders will work, obviously leaving many options for getting just under mach 1. I sent Marty this link perhaps he'll be able to answer any questions about the caliber. I have found this to be absolutely typical of how Marty works what a joy to do business with. 338 dies so I can load ammo while Hornady is making me a set of dies. He has been nothing short of a dream to deal with, even going so far as to send me his own set of. Marty ter Weeme built my upper.338 Spectre is his baby. Hawk bullets with very thin jackets which vigorously expand on impact. I'll be using VV N110 powder with 300-gr.

338 Spectre for several reasons, the biggest being that because when velocity is limited to subsonic, highest mass takes the cake and 300 grains is hard to argue with. The 300 Whisper greatly intrigued me for varminting without excess noise and in a semi-auto, but I chose. A TROS 3-lug will connect it to a Trident. It's a 10.5' barrel, A4 upper, YHM smooth rifle forearm (which will extend a few inches past the barrel). 338 Spectre upper should be here tomorrow I'll be happy to post a review once she arrives.