reloading 300 blackout

brasscollector · November 11, 2016, 01:35 PM

I bought a few uppers as of lately to fill out my collection. Now included in the line-up are 300 blackout and 6.8spc. I see win296, which I have, is one of just a few powders listed on the Hodgdon website. What is, if there is such, the preferred powder for reloading 300 AAC/blackout? Has anyone tried win296 in a 300 blackout? Did it burn clean or foul up the works? I'd be looking to utilize nearly all bullet weights in this versatile chambering.

rg1 · November 11, 2016, 01:55 PM

Win 296/H 110 (same powder) is probably the most used supersonic powder for bullets up to 150 grains. Accurate 1680 is probably the most used powder for sub-sonic heavy bullet loads. Some say Lil-Gun is best for 30 cal. bullets heavier than 150 grains for supersonic loads. Just compare all data sources for powders and charges. I shoot Hornady 110 V-max, Nosler 125 BT's, and both 147 FMJ and Hornady 150 FMJ's and use H110 for all and with good results.

brasscollector · November 11, 2016, 04:11 PM

That sounds good. Looks like I might have finally found a use for 296. I noticed on the heavier end of things Hodgdon recommended H4198 of which I have approx 1/2 pound left. Anyone have experience loading the heavier rounds with H4198? I would gladly try Accurate 1680 but cannot find any locally.

stagpanther · November 12, 2016, 11:46 AM

296 is a VERY useful powder. : )

anyways try these with H110 or w296 behind barnes 300 ACC 110 tac tx (black tip, not blue) and I promise you will be happy with the results.

18.8
19.1
19.4
19.7
20

bobn · November 12, 2016, 11:20 PM

296/110 with 125 works for me too. just beware bullet weight changes require powder changes too. more so than a larger case with slower more typical rifle powders.
.....I blew a case and primer by loading a 147 bullet without adjusting/lowering the powder charge. definitely not bragging just pointing it out. bob

brasscollector · November 13, 2016, 05:30 AM

I would definitely be looking to avoid that if possible. Hopefully you still have all your digits and optical sensory organs??

bobn · November 13, 2016, 08:14 AM

yes, tossed the bolt just in case.
....was a grain and a half over max. just pointing out that 296/110 is mostly a mag pistol powder and to watch your loads carefully. bob

brasscollector · November 13, 2016, 11:13 AM

Thanks for the heads up on 296. I had heard before as well that it's not a powder to be trifled with.

Stag I would like to cook some up as you've outlined. I checked locally and did not find the tac-tx barnes in stock anywhere. I see varying prices online and some places are out of stock. Cheapest was about .56-.57 cents/bullet. Know of any good places to look online?

stagpanther · November 13, 2016, 01:35 PM

Quote:

Thanks for the heads up on 296. I had heard before as well that it's not a powder to be trifled with.

Stag I would like to cook some up as you've outlined. I checked locally and did not find the tac-tx barnes in stock anywhere. I see varying prices online and some places are out of stock. Cheapest was about .56-.57 cents/bullet. Know of any good places to look online?
__________________
He may look dumb, but that's just a disguise.
-Charlie Daniels

As with any load--work your way up conservatively. The 300ACC Tac TX was specifically designed for the 300 BO--it is one of the best designs for a bullet I have ever worked with for that platform--you'll see why when you get them. My go-to sources are usually Midsouth, Precision relaoding and Grafs--sometimes Midway or Brownells. If you can't find them--their 110 tax tx "regular flavor" blue tips work very well with the same formulation--though I believe do not open as well down to lower velocities as the black tip ones do.

Chainsaw. · November 13, 2016, 02:07 PM

IMR 4227 is a magnum pistol powder, on the slightly slower burning side, work well in 300.

USCS · November 14, 2016, 12:21 AM

I've been using Alliant 300MP. Nosler has published data for the .300 using this powder and the 125 Ballistic Tip.

November 11, 2016, 01:35 PM	#1
brasscollector Senior Member Join Date: July 26, 2015 Posts: 526	reloading 300 blackout I bought a few uppers as of lately to fill out my collection. Now included in the line-up are 300 blackout and 6.8spc. I see win296, which I have, is one of just a few powders listed on the Hodgdon website. What is, if there is such, the preferred powder for reloading 300 AAC/blackout? Has anyone tried win296 in a 300 blackout? Did it burn clean or foul up the works? I'd be looking to utilize nearly all bullet weights in this versatile chambering.

November 12, 2016, 11:46 AM	#4
stagpanther Senior Member Join Date: March 2, 2014 Posts: 11,986	296 is a VERY useful powder. : ) anyways try these with H110 or w296 behind barnes 300 ACC 110 tac tx (black tip, not blue) and I promise you will be happy with the results. 18.8 19.1 19.4 19.7 20 __________________ "Everyone speaks gun."--Robert O'Neill *I am NOT an expert--I do not have any formal experience or certification in firearms use or testing; use any information I post at your own risk!*

November 11, 2016, 01:55 PM	#2
rg1 Senior Member Join Date: November 6, 2001 Posts: 1,125	Win 296/H 110 (same powder) is probably the most used supersonic powder for bullets up to 150 grains. Accurate 1680 is probably the most used powder for sub-sonic heavy bullet loads. Some say Lil-Gun is best for 30 cal. bullets heavier than 150 grains for supersonic loads. Just compare all data sources for powders and charges. I shoot Hornady 110 V-max, Nosler 125 BT's, and both 147 FMJ and Hornady 150 FMJ's and use H110 for all and with good results.

November 11, 2016, 04:11 PM	#3
brasscollector Senior Member Join Date: July 26, 2015 Posts: 526	That sounds good. Looks like I might have finally found a use for 296. I noticed on the heavier end of things Hodgdon recommended H4198 of which I have approx 1/2 pound left. Anyone have experience loading the heavier rounds with H4198? I would gladly try Accurate 1680 but cannot find any locally.

November 12, 2016, 11:20 PM	#5
bobn Senior Member Join Date: December 30, 2006 Location: midwest Posts: 1,107	296/110 with 125 works for me too. just beware bullet weight changes require powder changes too. more so than a larger case with slower more typical rifle powders. .....I blew a case and primer by loading a 147 bullet without adjusting/lowering the powder charge. definitely not bragging just pointing it out. bob

November 13, 2016, 05:30 AM	#6
brasscollector Senior Member Join Date: July 26, 2015 Posts: 526	I would definitely be looking to avoid that if possible. Hopefully you still have all your digits and optical sensory organs??

November 13, 2016, 08:14 AM	#7
bobn Senior Member Join Date: December 30, 2006 Location: midwest Posts: 1,107	yes, tossed the bolt just in case. ....was a grain and a half over max. just pointing out that 296/110 is mostly a mag pistol powder and to watch your loads carefully. bob

November 13, 2016, 11:13 AM	#8
brasscollector Senior Member Join Date: July 26, 2015 Posts: 526	Thanks for the heads up on 296. I had heard before as well that it's not a powder to be trifled with. Stag I would like to cook some up as you've outlined. I checked locally and did not find the tac-tx barnes in stock anywhere. I see varying prices online and some places are out of stock. Cheapest was about .56-.57 cents/bullet. Know of any good places to look online?

November 13, 2016, 02:07 PM	#10
Chainsaw. Senior Member Join Date: September 12, 2015 Location: Issaquah WA. Its a dry rain. Posts: 1,774	IMR 4227 is a magnum pistol powder, on the slightly slower burning side, work well in 300.

November 14, 2016, 12:21 AM	#11
USCS Senior Member Join Date: September 9, 2009 Location: South Carolina Posts: 114	I've been using Alliant 300MP. Nosler has published data for the .300 using this powder and the 125 Ballistic Tip.