So it appears I'm within the midst of more than a few very high finish AR-15 pistol builds, and the one I began with was one centered around a receiver format I really like with a caliber I frankly did not get: the 300 Blackout. I figured that if I put enough lipstick on the pig that I'd one way or the other prefer it. The consequence was a gloriously custom AR-15 pistol construct in 300 Blackout based on and Aero Precision platform and many custom elements which totaled in at $2566. The 300 Blackout will not be the OMG it's like the very best spherical ever” for me, however remains for me a spherical reserved virtually solely for searching like the 30-30 Winchester.
In all probability the most effective factor concerning the 300 Blackout is that it might probably run completely (if tuned proper) in an AR-15 pistol with each sub-sonic and supersonic hundreds. Even with out increased strain from a suppressor or an outsized fuel port in the barrel, you do not get the numerous biking and reliability problems with AR-15 rifles with longer rifle size 300 Blackout barrels and sub-sonic rounds. This pistol configuration simply labored proper out of the gate with the Ballistic Benefit pistol barrel, and I like the 300 Blackout in the pistol format because it really works with any Blackout spherical you stuff in it. Every ammo producer I have spoken with warns towards confusing penetration with vitality.
Different positives in regards to the Blackout rounds embrace sharing the same magazines, identical bolt service group, and charging deal with as your current 5.fifty six upper, which solely actually requires shooters to swap out barrels on their AR platform, however ya know I received just a little carried away. I can see some actually great potential within the 300 Blackout pistol format for the heavy sub-sonic rounds from a very lengthy vary accuracy perspective. In reality, my finest 300 yard 2 MOA groups had been with the sub-sonic Hornady rounds, not the hyper velocity Hornady rounds.
The Hornady 208 grain spherical delivers proper at 1,000 ft/lbs of vitality all the way out to 200 yards, which isn't too shabby for a pistol platform with a 30-round capability. The blackout is a deeper penetrating round in comparison with the 5.fifty six Nato or223 Remington, however that does not make the Blackout extra powerful. HORNADY LISTED BALLISTICS - Examine Your self - The 300 Blackout is everything you anticipate from a good 30-30 Winchester Spherical.
Life is a commerce off and this build may have convinced me that the 300 Blackout has a place after all in my safe and possibly within the discipline, but a223 Remington/5.56 Nato ender it's not at least 300 Blackout Sale from my perspective. Within the video above I walk via the steps to do precisely that — flip 5.fifty six brass into300 BLK brass — and it takes lower than 10 minutes to go over all the pieces.
giganestate6673 Community Member 
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