I need to find a reduced spring that I can try. I am leaning towards playing with the buffer spring and/or buffer. The idea of changing out the bolt carrier and gas block and such is not an option. So, my solution needs to be simple and easily available to all shooters. What are some options I can do to help aid the cycling? My goal is to have a subsonic round to sell to any and all shooters who have an AR-15 with 16' barrel and a 1:8' or 1:7' twist barrel shooting suppressed.

Curious about bullet weight as compared to typical 55. I understand 9mm subsonic loads but haven't delved into any rifle loads yet. When I get my speed up just above 1100 fps (supersonic speed), it will cycle and the bolt will lock back on an empty mag. I've got a can that should be outta NFA jail sometime soon ( hopefully ) so I'm doing my homework on subsonic loads. It will eject the spent case, but the bolt will not lock back on an empty magazine. DOUBLE 40MM RELOAD CASE: Holds 2 rounds of 40MM special munitions Same Day. When I get down to the speed I need, I can not get the bolt carrier to fully cycle the next round. I have a working subsonic load with both bullets in a standard M4 type, 16' barrel shooting suppressed. I am working with some custom 87 grain and 94 grain flat base, HP bullets that will stabilize in a 1:8' or 1:7' twist, 16' barrel. I began working on my 223 subs that will cycle an AR. I need some help guys! I know ammo very well, but I don't know the inner workings of an AR as well, like some of you do. 22lr sub?Īpart from anything else just what sort of a twist do you expect down the barrel of your. 223 will have a terrible arc and make hitting things a nightmare, just where are you seeing an advantage of a. Storage Also in Ammo: Rifle Ammo Ammo Cans Subsonic Ammo Handgun Ammo. 223 (lets forget BC for simplicity) and a 75g sub sonic. You can buy Patriot Ordnance Factory (POF) 223 Remington online with. 22lr will have the same arc and energy as a 40g sub sonic. 22lr and will have little or no advantage at 100 yards over the. If it is sub sonic then it will be the same speed as your. 223 would certainly have that extra punch for vermin control with little noise. 22 subsonic is not much better than an air rifle, but a. My thoughts are based solely on noise nothing else and to me a. That got me thinking, no noise but plenty of hitting power at 100 yrds. The load data for a subsonic 243 load is published on Hodgdon's site, however the subsonic load is roughly 52 of the max load which contradicts the Trailboss instructions of setting your minimum load at 70 of max load. 17hmr, unless I want something quite ie subsonics. The reason for the original question was based on the fact my. Source: Modern Reloading by Richard Lee, 1996 Ed. Only one load given 'start' and 'never exceed' figures are the same. I'd sell the LR as I rarely use it other than for braining cage trapped Foxes! I wouldn't even need to re-zero my scope for that.Ĥ5gr bullet over 11.5gr of IMR 4831 for predicted MV of 1085ft/sec with pressure at 10700 CUP and minimum COAL of 1.720'. I'd love to work out some sub loads for my Hornet. If you're not doing it often £40 for powder is better than a complete. 22lr.Īs for making the loads, all you'd need to lay out on is a tub of powder. Shot placement will be a little less critical on a Fox than it would be with a. All you have to do is zero with the subs and you don't have anything to think about other than what you would with the. 22lr without thinking about drop? He said 10' drop compared to his normal loads. I can see where that could be useful.Ĭan you shoot at 100 yards with a. 308 doing the same speed will give you around 450ft-lbs. 22lr sub offers about 80ft-lbs at the muzzle if I remember right.

Subsonic 223 loads forum