View Full Version : 300 BLK making major power factor at the 3-gun MultiGun Nationals.
Look at the magazine on Daniel Horner's belt:
http://img822.imageshack.us/img822/6151/29997910150376029924734.jpg
Day 1:
http://www.uspsa.org/uspsa-display-match-results-detail.php?indx=3096&division=Tactical&guntype=MULTIGUN
Needless to say that the 300 blackout really is a versatile round capable of sub MOA accuracy.
I am very impressed with my Noveske 300 Blackout 10.5" that I went ahead and bought a Gen II model in an 8".
:dance3:
LonghunterCO
10-22-11, 19:04
Needless to say that the 300 blackout really is a versatile round capable of sub MOA accuracy.
I am very impressed with my Noveske 300 Blackout 10.5" that I went ahead and bought a Gen II model in an 8".
:dance3:
What's the difference between the Gen II (and the Gen I?)?
Needless to say that the 300 blackout really is a versatile round capable of sub MOA accuracy.
I am very impressed with my Noveske 300 Blackout 10.5" that I went ahead and bought a Gen II model in an 8".
:dance3:
Have you done any chrono testing with the 10.5?
FromMyColdDeadHand
10-22-11, 21:44
Wonder what kind of ballistics you'd get out of a barrel that long? Is that 20+? Most 300BLK I see is in shorter barrels, but if the ranges aren't too long I could see where shooting steel would be advantageous since the heavier bullet should give better thump on the targets.
You'd get the advantage of a .22 vs .30 hole when close to target edges too. ;)
The advantage is from the Major Power Factor scoring.
The advantage is from the Major Power Factor scoring.
And from the awesomness factor
FromMyColdDeadHand
10-23-11, 00:45
The advantage is from the Major Power Factor scoring.
I forget the particulars- that is 7.62 at a wt x speed number? Is that why the barrel is so long? So 6.8 or teh Grundel won't make that, will they.
That's cheating... well played.
Power factor is bullet weight x velocity, then divided by 1000. For rifle 320 and higher is major, caliber does not matter.
justin_247
10-23-11, 11:33
That's one hell of a space gun!
Robb Jensen
10-23-11, 12:02
Major = 320PF
Minor = 150PF
Where shooting Minor starts to hurt is on paper targets when you start shooting B's, C's and D's as you aren't making as many points as someone shooting Major. Obviously steel goes down easier and harder with a Major power factor rifle as well and since the bullet almost is always larger in diameter you have a better chance to be on the perforation if you almost miss, a hit on the perforation is in meaning if you clip the perforation line between a C and an A the shot is scored as an A hit.
http://img.photobucket.com/albums/v408/gotm4/Mobile%20Uploads/IMG_8367.png
Have you done any chrono testing with the 10.5?
I unfortunately do not have a chrono. The rounds I shoot are subsonic 220gr. factory Remington & some CMMG AAC brass loads that I purchased.
The thing is definitely accurate spot on MOA. I have heard from Joel at Noveske that the 300 blackout really shines with a 14" barrel which appears to be the sweet spot on barrel length for the round capabilities. I went the opposite direction with my Gen II lower and got an 8" because it is just more handy.
Here is my 10.5" Noveske 300 Blackout (Bottom Noveske):
http://glocktalk.com/forums/picture.php?albumid=288&pictureid=4919
Here is my 8" Noveske 300 Blackout w/ the new Gen II lower:
http://img94.imageshack.us/img94/2861/noveske3001edited.jpg
SSG Daniel Horner of the USAMU used 300 AAC Blackout to win his 4th USPSA Multi-Gun National Championship.
Thank you for shooting with it, and also thank you Rob and Jansen of the Noveske team for shooting with it.
http://militarytimes.com/blogs/gearscout/2011/10/23/usamus-horner-takes-the-gold-with-300blk/
FromMyColdDeadHand
10-24-11, 00:34
I'd love to see him run that souped up 300 gun vs a 18inch AR with heavy 5.56 loadings and see him run a spinner to see the difference in energy to get it to flip over.
I'd like to know his split times between 5.56 and 300.
http://www.ammoland.com/2011/10/24/300-aac-blackout-cartridge/
FromMyColdDeadHand
10-24-11, 13:31
I'm torn. While I applaud the work and forethought that went into getting the 300BK to shoot in the major factor I worry that will crowd out .308 "Battle Rifle" class equipement. If it weren't for people like the AMU, we probably wouldn't have the heavy 75/77gr ammo in commercial and especially military loadings- so I think it is great they are pushing the envelope. At the same time if this makes SR25/AR10s/SCAR-H or the like less likely to be used in all but the longest range matches, I think that has some negative affects like less innovation in these rifles.
I'm not up on all the lastest USPSA/IDPA/3-gun rules since the rifle matches I go to are mostly modified rules, but didn't USPSA just change their scoring to try to make larger rifles more competitive?
Gaming's gaming- and a lot of techniques and equipement has transfered over to non-gaming, so I like the innovation. Looking at the curve that Ron posted over on The Hide, just a bit of a bump in PF and the 300BK looses its edge.
I would be really cool if someone came out with a commercial loading of the AMUs 300BK load, just like MK262 eventually got out.
Mish-mashy post, sorry.
If the intention were to have it be 308 win and up, they could make the power factor something like 360 - though that would kill off the 110 V-MAX which is only about a 320 PF.
it doesnt really matter what Daniel Horner uses, he's gonna beat you.
it doesnt really matter what Daniel Horner uses, he's gonna beat you.
Good point. :D
FromMyColdDeadHand
10-24-11, 16:51
it doesnt really matter what Daniel Horner uses, he's gonna beat you.
While undeniably true, that wasn't my point ;)
It seems like 308 rifles, and especially SR25/AR10 rifles have gained a lot of popularity and refinement lately. It seems like it was more driven my military adoption of these calibers over civilian desire. It seemed to me that the shooting organizations, perhaps unrelatedly, were trying to make the big rifles more competitive. More competition leads to more shooters, more guns, more accessories and that leads to innovations which starts a virtuous cycle. If you can shoot major on an ar15 platform I think a major avenue for optimizing the 308 guns goes away.
That's all I'm sayin'.
the biggest problem is, only is USPSA does power factor come into play, other wise its just Divisions and Tactical Optics is DOMINATED by 223/5.56. Other than Rob Romero and a few other shooters(not sure if Jansen shoots HM now or not), most shooters run 223/5.56 in Tac Optics or Open. Tac Optics is the biggest division.
MustangGreg66
10-25-11, 18:50
I wonder what he chronoed with that thing.
I was thinking of building a 300 blk after a local match last year and a friend of mine who has one. Really neat round. Here in CA I can't get a supressor so I'd pretty much only shoot supersonic. I've been waiting for an 18 or 20" barrel to hit the market. If I'm going to go fast, might as well get as much barrel and velocity out of it as is practical. I'm hoping that'll take some of the rainbow effect ouf of it... us mure civilians will have to wait for the longer barrels to hit the market if they ever do :(
patrick sweeney
10-26-11, 15:31
To make Major, he'd have to boot a 125 gr past 2560 fps.
The danger, if there is one, is another equipment race. A lot of shooters will ignore that he could have beaten them if he'd been required to throw rocks. They'll hound their gunsmiths until said 'smiths build them a "match-winning Major 300 Blk."
Still, an interesting way to make Major and gain points.
If the ranges are closer, and you want to easily make major, then 175 grain Sierra, 20.0 grains A1680, 2.245 OAL, Rem brass and primer. That is 55,000 psi and 1900 fps from a 16 inch barrel.
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