Silencing a hunting rifle results in an 88% reduction in kinetic energy. Similarly the muzzle velocity of a Model 70 hunting rifle is 3,077 fps. the ratio of kinetic energies is a 40% reduction of kinetic energy resulting from silencing the pistol. Assuming bullets of the same weight, same length barrels, etc. The online muzzle velocity for one 10mm pistol is 1300 fps. The speed of sound in air is reported online as 1,087 fps under unspecified conditions, such as elevation above sea level, pressure, and humidity. One aspect of sliencing a gun shot is to keep the bullet subsonic so that there is no "sonic boom" tattletale from a shot fired faster than the speed of sound. 30-30s threaded for a can.Adding silencers to weapons should be more realistic. I like the QD ring system because I can just pop off the scope for daytime woods-walking and have a super-fast close range gun.also why I swapped in a left-handed receiver, for fast work in the brush until I can get one of my Marlin 336. In fact that's a project for this evening while I kill time waiting for some Red Deer jerky to finish drying in the oven. I've got a set of Leupold QD rings and bases that used to be on this rifle and will be put back again (removed them for some action work and a barrel change when I converted this rifle to a left-handed receiver). The Savage Hog Hunter comes with elevated "iron" (plastic) sights installed which are perfect for seeing over the 1.5" OD can. Probably is a super-sweet spot around 5.8-5.9, but good enough is good enough for now, I have a pig hunt in a few weeks and this one and one of my ARs in BLK with the night vision scope are both going along. I wanted another 30-40 fps, but I'd have to move to a harder alloy or something to make it work.
#Silenced 308 subsonic full
Put nine in 3/4" at 25 yards with one outside high making it just over an inch, but I'm pretty sure that was me not getting the front bead fully under the bull (shooting into the sun, target in full shadow). 310" H&I set in a Lyman 45.ĬOAL: 2.875" which puts the bullet's front band about halfway into the throat. 3098", bottom two bands lubed with SL-68.1 in a. Powder: Hodgdon Titegroup, 6.0 grains even.īullet: ACE 314-230 plain-base cast of 2 parts clip-on wheelweights, 1 part stick-on wheelweights (mine have high tin content), one part roof lead (6.5 bhn), air cooled and aged a month to ~12 bhn. 308 Winchester with 20" Hog Hunter barrel and ATF Form 1 silencer.īrass: LC 08 trimmed to 2.015", chamfered, neck turned to cut halfway around the necks, Neck-sized with. I played around with seating depth with some 5.5 grain and 6.2 grain loads before this last string and ended up going to 2.875" in order to help solve a little problem of lead deposits on the outside of the necks. Powder orientation hardly made any difference at all. Of the last five, the three in the middle were all exactly the same at 941 fps. First five fired with powder against bullet, last five fired with powder against primer.
Tried 6.2 and had a few flyers so I went back to 6.0 and here's what I got: Ten rounds total, SD of 10.1 fps total, average velocity 942 fps. After this afternoon I found the best load with TG was 6.0 grains. I thought about Clays too, but one thing at a time.
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