Here's a small case I just conducted for why pricey .223 "hunting" helps significantly remove some of the traditional handicap that 5.56 SBR rifles have attributed to them.
TESTING:
Setup/procedure:
Host weapon: LMT MRP CQB w/ 10.5" 1/7 5.56 barrel
Distance to target: 25yds.
Ballistic test medium: 1gal. jugs of waters (3 jugs for both rounds)
Federal .223 62gr. Fusion
VS.
Barnes VOR-TX .223 55gr. TSX
Both rounds traveled completely through 2 jugs, where they both entered the third....and ultimately both actually pierced the third jug's back wall.
Final penetration depth for both using water as the medium....18"
The bullet pathway of both are displayed below, and if you'll note both rounds almost identically exploded the first jug, and then both rounds made very clean entrance/exit holes in the remaining 2 jugs.....
Below is a pic showing where the rounds ended up resting in the third and last jug after slightly piercing the jug's back wall, and then bouncing slightly forward.
Finally here are some pics of the two recovered projectiles....to the naked eye they both appear to have retained 99.9% of their original weight.
I got very lucky with those results I think, and the retained mass, combined with perfect textbook expansion on them both got me giddy as a damn kitty to see. A good expanding bullet is pretty damn cool if you ask me
What did I personally learn from this....
1.) My beloved TSX rounds that have been my mainstay for HD/PD purposes in conjunct with my MRP CQB 10.5" for some time now did exactly what I've seen them do in the past while testing them, as well as seen in others testing. I feel it's a game changing projectile on a variety of levels, but none more so than it's now familiar violent pedaled expansion ending with almost double it's original diameter expansion, and retaining almost 100% of the projectile's original weight.
I'm very confident in this round's ability to put down a threat all the way to roughly 300yds based on a 1800 FPS reliable expansion threshold, and my ballistic chart's MV that corresponds with that amount of FPS.....which lies between 250-300yds depending on one's own conditions.
Shown below is the actual ballistic chart for Barnes 55gr. TSX through the MRP CQB 10.5".......
2.) I still have two more important tests (accuracy eval/300yd jug test) for the Federal .223 62gr. Fusion before I start packing it in my HD/PD mags, however I'm flat out impressed as hell after the research I've done on them in regards to reliable expansion threshold numbers, and then the data from today when considering it for HD/PD purposes through 5.56 SBR length ARs. I thought recovered TSXs looked like pieces of fine art with that incredible pedaled expansion....but they don't have shit on what this fusion did. UNREAL perfect expansion and each of the little slivers has a perfect edge on it that like a knife.
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