8/17/2023 0 Comments Extreme shock 223 subsonicIt 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. 223 Remington Atomic Ammunition 223 Remington Subsonic 77 Grain Hollow Point Boat Tail Box of 50 Product : 189480 Manufacturer : 429 UPC : 858767004294 Our Price: 69.99 (1. Accuracy is adequate for it's intended mission out to 100m or so.īullet is filled with Tungsten carbide- so not cheep. 0 views, 0 likes, 0 loves, 0 comments, 0 shares, Facebook Watch Videos from Extreme Shock USA: Non stuttering subsonic 556 full cycling Ammo. 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. With most normal subsonic 223 ammo, it will not cycle the action. If its legal and on your dirt, tell your neighbors to deal. 42 Dislike Share ddn79 224 subscribers 100gr Extreme Shock 223 subsonic loads. However the 3 to 4 month wait is tough not to mention the 1k plus pricetag. 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. Save Like T Twitch2120 3 Or get a suppresor with subsonic ammo. It is designed to be subsonic in a mil spec 14½" barrel- it is. It works as advertised within a narrow window.
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