They both provide a 90% case fill to aid in tight SDs without having to use some novelty powder like Tinstar or Trail Boss. 338 Razorback is the natural evolution using 10mm Auto brass which can be found anywhere. Muzzle energy for the 338 Spectre is not only great but it holds on to it. 338 Spectre uses 10mm Magnum brass which is unavailable right now but formed brass is available for $40 a hundred. I thought about 338 Spectre, but didn’t like the non standard bolt face. 338 Federal, but didn’t like the large case capacity. 338 didn’t exist or at least from any sort of mainstream source. A person can buy dies for both right now. At the time, commercially available subsonic. They use large pistol primers which is a welcome change. Both are done with one pass thru a sizing die. Pretty close to 300BO but pushing the same 338 bullets as the 8.6.Īpparently the difference between these two cartridges is which pistol case is used to form brass. Maker has 300gr REX solids for subsonic expansion. 308 case all the way up to 377 gr match bullets that beat any.
critters that will actually expand at the velocities of a shortened. But these tiny little 338 cartridges seem like the way to shoot subsonic 338. 338 cal was a poor choice for more than one reason.375 caliber would offer all the upsides without the detractors, bullets ranging from thin jacketed 200 gr. Double to 3 times as much as I'm shooting now. Twist rate is too fast for supers, has too much case capacity subs, not enough for supers. I'm pretty convinced the smallest powder charge in a longer barrel is going to be the quietest configuration.Ĩ.6 Blackout seems like a hot mess. It's the quietest centerfire subsonic gun I have. I currently shoot 5.7gr of Hornady Longshot in a 190gr 300BO out of a 16" barrel with a TB 338 Ultra. I'm thinking a 10" - 16" barrel on my SBR'd Origin l. A shoulder is formed, and the case is lightly trimmed to length, and the neck is sized to. I only care about subsonic (if you want to talk supers GTFO). 338 Spectre, Uses 10mm Magnum pistol cases with a 6.8 SPC bolt-face.
#338 spectre upper for slae professional
For the professional user, it means greater ease of follow-up shots.Ħ.8 Rem., 45acp, 308, 338 SPECTRE, 300 WSM, 223, 7.Anyone play with these? I'm 98% about to buy a 1:6.5". This, in fact, makes the cartridge a good choice for beginning shooters who might be recoil sensitive. Recoil is subjective, however, due to low pressure and relatively low velocity, the recoil is very mild. Accomplished shooters can shoot the cartridge accurately at much greater distances and we have heard of folks shooting it in excess of 500 yards. As such, after 125-150 yards, the bullets tend to drop off VERY rapidly and we tell folks to consider it a 100-150 yard cartridge. The cartridge was primarily intended for short(er) range work, such as urban theaters for LEO/MIL applications. We typically tell folks that 1.0” groups at 100 yards are the norm for the 180-grain load. With hand loads, good optics and the shooter doing his job, groups as low as 0.5” have been recorded. The cartridge, however, is capable of quite respectable accuracy. However, some of the velocities recorded from a 16” barreled upper are as follows:Īs with velocity, accuracy will vary from rifle to rifle. And again, the primary purpose is heavy bullets at subsonic velocity. Velocity will vary from rifle to rifle and obviously also depend on the bullet that is being loaded. 338 SPECTRE - $1300ĭUFFY'S BUILT 12" stainless. VERY VERY QUIET.ĭUFFY'S BUILT 16" stainless. With a good silencer, a subsonic round is quiet.
The upper can be used on any AR-15 lower, using 6.8 AR mags, and can be silenced with any 9mm pistol silencer. This is a neat round that John our gunsmith has built two uppers and a bolt action rifle for (bolt action sold).
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