![]() It is intended ONLY for barrels up to 14½".it occasionally sticks in the barrel of a 16" carbine. ![]() This uses the same 100grn bullet but uses 8grns of powder and a small foam filler. Powder (25grns) looks like Vihavouri.ĮS also produce a round that will not cycle the action- different folks like different things. Quick review Add to cart.223 Rem 75gr JHP SUBSONIC. Accuracy is adequate for it's intended mission out to 100m or so.īullet is filled with Tungsten carbide- so not cheep. In Stock Items Only Sort By : Show : Quick review Add to cart.223 Rem 55gr REX -EXPANDING SUBSONIC-34.95. 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. Details Manufacturer: Atomic Model Number: 00429 Ammo Bullet Type: Hollow Point Boat Tail Ammo Casing Type: Brass Ammo Bullet Weight: 77 grain Ammo Round Count: 50/Box Caliber Multi. 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. Trying to get something a little quieter for my 223/5.56 SBR. It works as advertised within a narrow window. 1 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.
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