If you go the subsonic route, please work your load up carefully practice diligently and wait patiently for the perfect opportunity. As Gkp says, your load will be higher than those suggested for lighter bullets. Crimping cast lead bullets is essential to maintain consistent pressures.
#Farthest shooting 308 subsonic full
You might get full penetration on a shoulder shot at reasonable range.that is something you will need to experiment with on test media to determine what your limits will be. Now drop your load to 0.2gr below that, to be consistently below the sound barrier.
When you turn the CNS switch off, there is no need for tracking a blood trail.Ī whitetail deer head will be a much smaller target.
We swore an oath to each other to take only head shots, at stationary animals, at no more than 75 yds. It is traveling at about 2050 fps at that range, I can and have shot farther, but with my 308 I. It averages just over 1 inch 5 shot groups at 50 yds.drops about 12 inches below POA at 100 yds when sighted 1 inch above POA at 50 yds. I shoot 308, 180 partitions and my personal limit is 300. We spent a LOT of time researching and working up this load. The moose collapsed at the shot.made no sound. He planted the bullet in the left ear exited the right side of the skull halfway between the eye and the ear. I started the 180gr loads seated to the cannelure with 12, 11. Don't know what the energy of the bullet was.head shot only. Primers used in the test were CCI 200 Large rifle and Winchester 9 Magnum. This load averages 1050 fps (chronographed) from his 18" barrel. Full power loads should sound about like a 22lr. 221 fireball threaded and waiting on its suppressor for coyote hunting. The 12 twist will really limit you on subsonic bullet choices. I would look for a 10 twist and not a 12 twist though. with a suppressor to take a moose this season. 308 will work OK subsonic if you need the rifle to be a dual purpose tool. If you wan't a semi with the capabilities of going from subsonic to supersonic with a change of a magazine then the 300BLK would suit you much better.My hunting buddy used a. 308 is a much harder hitting and longer range rifle than the 300BLK. From handgun and rifle ammunition to rimfire, subsonic and shotgun ammo. The nice thing about the 300 blackout is that it will shoot heavy 308 bullets more accurately than any 1-10 twist subsonic 308 Winchester. The 300 blackout is limited to about 2500 fps with 125 grain bullets when shooting supersonic. Combined with a suppressor, these cartridges are incredibly quiet. With a muzzle velocity of 1,066 fps (feet per second), its below the speed of sound but still has zero drop at 100 yards.
The difference between the two is quite large as the. 56x45 Ammo 308 Win Ammo 40 S&W Ammo 380 ACP Ammo 38 Spl Ammo 357 Mag Ammo Our. The 308 is more versitile as you can load it as fast 2600 fps with 168 grain bullets or as slow as you want. 308 / 7.62 NATO Ammo is a premium quality subsonic. 308 will do just fine and of course when it comes to supersonic. If you have a bolt gun and just want to plink quietly with the lighter 180gr subs then the.
If you want to shoot subsonics out of a Semi then there is no other comparison as the. 308 barrel isn't made for subs so the twist may not be enough to stabilize the higher 200gr+ bullets that the 300BLK can. 308 to be less accurate than the 300BLK when shooting subsonics. This will cause larger fluctuations in velocity between each round causing the. The 308 will have a lot of empty volume inside the cartridge when you load up with only 10gr-15gr of powder in what is suppose to hold 40gr+ of powder. In a bolt gun there is a small difference between the two for subsonics.
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