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Revisiting the 300 BLK

315 Views 4 Replies 2 Participants Last post by  imarangemaster
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I mentioned this in my BG thread, but this is worthy of its own thread.

I first got into the 300 BLK back around 2012/2013, when I was doing a Homeland Security critical infrastructure contract. Back then, components and ammo were expensive and hard to find. I drifted away from it.

I came back to it about a year ago, but it was short lived. Having several 7.62x39 rifles (584 Series Mini-30 and Romanian AK) I drifted away agin, since the 2200 fps of the 125 grain 300 BLK was a couple hundred FPS slower than the 7.62x39. I still have a 300 BLK AR-15 build, and 300 rounds of ammo (Including 140 rounds of Barnes X-Tac 110s), dies, brass and bullets, though.

The other day, however, I tripped across loading data using Lil'Gun powder for the 300 BLK that gives a 125 grain bullet 2400 FPS at significantly lower pressures that WW296 or CFE Black. That would make the 300 the same as 7.62x39 and even most 300 HMR loadings... I would rather have the 300 in a Mini instead of 7.62x39 since I have stacks of Ruger factory 20 and 30 round 223 mags that are from my LEO career when I carried a Mini-14 as a Patrol carbine.

Super sonic is the way to go, since in Commiefornia no "cans" allowed (making sub-sonics comparatively underperforming, and AR pistols are an endangered species.

I took the 300 BLK Ar to the range and was vaporizing clay pigeons on the 100 yard berm with it.



Well, I just pulled the pin and bought a Mini-14 blued/poly stock in 300 BLK. It is a non-tactical with 18" barrel. I



could have picked up a tactical for the same but I prefer the standard one! That gives me Minis in 5.56, 300 BLK, and 7.62x39. I'll use the Mini in 300 BLK as my Thumper, as Jeff Cooper would have called it. I'll probably mount my SIG Romeo 5 Red Dot (2 MOA with "shaker awake") on in the Pic rail. It will be my home defense carbine loaded with Hornady 110 Vor-TX. They give 2400+ fps from the Minis 18". Serious thump. The Mini-14 in 300 BLK really is an "M1 Carbine with a hard-on!"
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Nice mini there Bernie! With my escape from the PRK, I can have standard configuration AR pistols & Carbines.
Air gun Trigger Gun barrel Wood Gun accessory


Bear Creek Upper on PSA lower.
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I suppose it is somewhat of a miss-statement to say i am revisiting the 300 BLK, I should say revisiting the Mini-14 in 300 BLK.

I had a 300 BLK Mini about a year ago, but never got into it before I needed the funds for a different buy. I have had a 300 BLK AR15 build all this time, just had not shot it (until last week end) in over a year.

I still have 200 rounds Barnes 110 grn VOR-TX, 120 rounds of Winchester 125 OT, 150 rounds of my 125 grain Hornady #30192 125 grain bullets loaded over WW296 for 2200+ fps. I also have another 500 brass and dies, as well as WW296, CFE BLK, and primers to load more.

I think the 300 BLK Mini with a Sig Romeo 5 red dot (with a 2 MOA shake awake), paired with the Barnes 110s (2375 fps @ 1350+ ft lbs) will be a good home and camp defensive carbine.
I would be interested to know how you got a 300 BO Mini into Ca? My understanding is that because they come with a flashider, they cannot be shipped into the PRK.
It is an 18" barrel, standard carbine, not tactical. They did a run for Davidsons in 2020
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