You have to go to the 130 range to get the FPS up to an appropriate level to get them sorta flat shooting.
#300 blackout vs 308 subsonic full#
I is a full case of fast rifle powder with a 220 gr bullet that will pretty much ONLY go subsonic. The 300 BLK is the answer for subsonic shooting. Subsonic and supersonic close range urban environment. Let's be 100% honest here the supersonic 300 BLK is designed for more around military and LE applications. how may times do you hear let's design and make a hunting cartridge for a rifle with LESS than 30-30 performance? So shot placement is much more important and the range is more limited than the full power. The 300 BLK will shine in the subsonic arena, and will be adequate for close shots, it's more like pistol hunting power. I get 1750 with 200 gr bullets in my 14" T/C Using bullets that reliably expand to over. It is about the same as a 357 maximum well maybe not. Sure the 300 BLK will kill deer and hogs but not like a 308, or 30-30 for that matter. It is less than a 30-30 which many feel is the lower limit for hunting moderate size thin skinned game. The supersonic power and distance is the compromise on the supersonic side. 18" 1:8 threaded 5/8-24 A VERY nice barrel.īut for mostly subsonic and reduced power supersonic the 300 BLK is THE answer. The rifle was not built but the barrels ARE available. both sub and supersonic is the 308 BLK Many pages in the ST forum about the AAC development. You make a 1000 yard gun a 600-800 yard gun. But you loose FPS for long shots in supersonic. The 308 BLK custom barrel is the compromise and will be OK for supersonic and OK for subsonic. Long barrels and slow twists mean not subsonic friendly. 18" 1:8 twist.Ī factory length of 20" or longer with twists of 1:10 or slower will give you vertical stringing. The only way to make a 308 work was with the AAC 308 Blackout barrel. Accuracy is marginal with any long shots a crap shoot since the FPS is so far off. I load 170's in my 308 using Trailboss and get a wide FPS ES. This one will have a really short barrel, in the 9"-12" range. In fact, I'm building a second rilfe on a newly acquired Howa 1500. Like I said, nothing to write home about. to date has been slightly less than 1.5 moa. I'm still in the load development stage so I'm not going to be too concerned yet. I haven't had a great deal of success in terms of accuracy with the 300 Blackout. The 300 Blackout seemed to be a perfect fit in this regard. I built my 16" 300 Blackout 700 bolt gun because I primarily wanted a centerfire cartridge with a low report, be reasonably accurate to 200 yards or less, and I wanted a short compact bolt action rifle. While not exceptionally accurate, it's a cheap fun plinking round that allows me to get trigger time behind a rifle that might otherwise stay in my safe. Trail Boss and 110 gr.30 Carbine bullets. I shoot a fair amount of reduced charge loads in my 700 VSF using 11.5gr. with a 1/10" twist barrel may be a very viable option as a "do it all" cartridge. For those who either can't afford or want a second rifle, a. Now, if we're talking bolt action rifles, then yes, it does have some merit. If you consider that the main marketing push for 300 Blackout is for the AR-15 platform, then there's no debate. Here's another discussion over at the Hide> Once you have a solid load it is more fun than shooting a. The 200gr Lapua Sub-Sonic and 208gr Hornady AMAX are running in 1/9" barrels out to 350yds. Depending on the range and barrel twist I run Hornady and Sierra 170gr FP and 180gr RN out of my 1/10" mostly for 200yd and under target shooting.
I did a lot of testing with primers and found that the Large Pistol (CCI) produced the most suitable standards on velocity and accuracy over the rifle primers. I have never opened up the flash holes either, discussed and decided not to after I got solid setup. It is fluffy enough to fill the case and no fillers required. It has proven to be capable, safe, stable and you can't screw it up. I have tried several different powders over the years but have now locked into using Trail Boss exclusively now. According to these folks, it's pretty straight forward> But out of curiosity, I started looking up reloading recipes for. 308 and since they come threaded, of course it'll be a host for supersonic shooting.
I'm considering picking up a Ruger Scout in.
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