I have been playing with these two loads at home, doing informal backyard testing and the Mk319 is proving to be very impressive. I only used common service rounds and common to somewhat common service rifles.
Here's what your looking at, a 3/16 piece of AR400 plate. Behind this plate was a treated 4x4" post proped up with a 2x4. Those are not pictured, as I just snapped a pic of the plate. I shot the plate at 100 yards with my 13" SCAR 17 CQC using Federal Mk319 130 gr SOST, and German DAG 147 gr ball. I shot it from 100 with a 10" barrel SCAR 16 using Federal Mk318 and real deal M855. I also shot it from 100 with a Colt 6921 14.5" barrel M4, using M855 and from 25 yards with the 6921 using M855. The only thing to penetrate was the M4 with M855 at 25 yards and the Mk319 from the 13" SCAR at 100 yards. Here is the kicker. The M855 from 25 yards barely completely (I'm saying the bullet barely completely embedded into the lumber) entered the 4x4 post, and this was from 25 yards. The Mk319, which is fired from a shorter barrel than the M4 has, from 75 more yards away penetrated the plate, the 4x4 post, and the 2x4 holding all that up and kept on getting it. Needless to say, I am very impressed with the Mk319 in a SBR package. I imagine it is a penetrating SOB from the 16 +" barrels.
Here's what your looking at, a 3/16 piece of AR400 plate. Behind this plate was a treated 4x4" post proped up with a 2x4. Those are not pictured, as I just snapped a pic of the plate. I shot the plate at 100 yards with my 13" SCAR 17 CQC using Federal Mk319 130 gr SOST, and German DAG 147 gr ball. I shot it from 100 with a 10" barrel SCAR 16 using Federal Mk318 and real deal M855. I also shot it from 100 with a Colt 6921 14.5" barrel M4, using M855 and from 25 yards with the 6921 using M855. The only thing to penetrate was the M4 with M855 at 25 yards and the Mk319 from the 13" SCAR at 100 yards. Here is the kicker. The M855 from 25 yards barely completely (I'm saying the bullet barely completely embedded into the lumber) entered the 4x4 post, and this was from 25 yards. The Mk319, which is fired from a shorter barrel than the M4 has, from 75 more yards away penetrated the plate, the 4x4 post, and the 2x4 holding all that up and kept on getting it. Needless to say, I am very impressed with the Mk319 in a SBR package. I imagine it is a penetrating SOB from the 16 +" barrels.
