All you can hear is the bullet smacking the steel swinger. A subsonic cartridge, 9x39mm runs well suppressed, but not all AK. I cheched this myself with a MP3 recorder and mic and in person by standing a safe distance behind a barricade ( huge white oak ) from the 6" swinger. Also, according to the article in THE Firearm Blog, most of the 9x39 ammo will be. When fired even single shot through an AR w/ suppressor these rounds do not make any noise that can be heard at that distance. 223 subsonic.223 sized brass (trimmed to length) SRP (in my case 41 CCI) 62gr SS109 bullets 5.2gr Trail Boss (fills case nicely - does not meter to well though donut shaped powder) OAL - 2. 22LR.įor SHTF situations this load can easily kill a person or deer size game at 175yds with a head shot. Here is a load i cooked up (after a lot of internet research on the subject) this weekend for. Rogue 5 in The 05 X 45 223 AR-15 The POF P308 on a BucK Commander pack. I'm about to try 5.2gn and a 62gn head next. into the lightest 308 piston kit 62x51mm Ammo rifle subsonic Bulk 308/7. Trying to get something a little quieter for my 223/5.56 SBR. 223 Here's my results using trailboss in a 1:7 12' barrel 62gn FMJ, OAL 57.4mm 6gn supersonic 5.4gn 50 subsonic - could be because powder measured electronically 5gn subsonic 55gn FMJ, OAL 57.4mm 5gn supersonic 4.4gn subsonic. Loads using the PRVI 75gr BTHP-M bullet are pretty impressive compared to a. Anyone have information on subsonic loads for 223/5.56 using H4895 or other powders with 65gr/69gr/75gr bullets for use suppressed I know H4895 has been the Military's main powder since WWII and heard that it works well with under charged loads and less than 1,000fps. 223's w/ Hornady 60gr HP 1,050ft/sec ( just for kicks ) that shoot flatter, are more accurate and have more energy at 175yds ( I have a target stand w/ 6" swinger at 175yds ) than the SSS. The Aguila 60gr SSS only has a muzzle velocity of about 950ft/sec with a round nose bullet and I have loaded a few. the 223 load has a higher The following ammunition cartridge ballistics. 22LR round that has the downrange terminal ballistics of a subsonic 60gr or heavier bullet. you protest 224 Valkyrie coyote rounds that cover both long range and high wind. Actually if I was going to build a suppressed big bore AR I would go with something based on the 6.8 brass and. 300BU/Whisper/etc would be nice but the OP asked about subsonic. It is intended ONLY for barrels up to 14½".it occasionally sticks in the barrel of a 16" carbine.If I wanted a suppressed AR I would go with the 300 Black Out. The practice load will not cycle a semi-auto or full-auto, but the duty load will cycle the action suppressed. Our duty load is with nickel plated brass. 223 Remington ammunition loaded to 1040fps. This uses the same 100grn bullet but uses 8grns of powder and a small foam filler. This is our practice load 77gr SMK subsonic. Powder (25grns) looks like Vihavouri.ĮS also produce a round that will not cycle the action- different folks like different things. Accuracy is adequate for it's intended mission out to 100m or so.īullet is filled with Tungsten carbide- so not cheep. Has cycled reliably in all the rifles I have tried it in- 1960's vintage M16, Current M4, HK 416 and ruger Mini 14.īullet (on the new stuff) weighs 100grns (old was 127grn) which is marginal on stability. Out of 16" barrels like our test HK 416's.it is often just supersonic (1180fps) but a few civi spec 16 barrels it stays just below the speed of sound. It is designed to be subsonic in a mil spec 14½" barrel- it is.
Inc 9mm Luger Subsonic Ammunition AI9165TMCSTL 165 Grain TMC 50 Rounds Out of.
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