300 Blackout reloading

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300 Blackout reloading

Post by RON55 on Tue Sep 24, 2013 9:39 pm

I built a 300 BLK and have about 500 to 600 rounds,but scared to shoot any because all I can find right now is about $2.00 or more a round. Will someone tell me about reloading for the 300 in 115 and 125 gr. bullet. I need information on powder, primers, bullets and dies. I already reload for handgun rounds. If I don't reload for the 300 I am going to sell the upper and ammo and build a 5.56 upper.

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Re: 300 Blackout reloading

Post by critt77matt on Wed Sep 25, 2013 8:44 am

this should probably be in the reloading section but at any rate first get a reloading book if you don't already have one.
Most magnum pistol powders (think 44 magnum) will work like H-110, w296, Trail Boss and Lil gun.
Primers are standard small rifle
Bullets any 308 bullet in the weight you want Nosler 125 balistic tip is used by some for hunting
Dies depends on how much you want to spend Forester makes some though.
Don't forget you will need to trim the brass after each firing.


this link may be helpfull and other powder manufactures data

http://data.hodgdon.com/cartridge_load.asp


Last edited by critt77matt on Wed Sep 25, 2013 9:15 am; edited 1 time in total (Reason for editing : add link)

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Re: 300 Blackout reloading

Post by RON55 on Wed Sep 25, 2013 6:02 pm

critt77matt wrote:this should probably be in the reloading section but at any rate first get a reloading book if you don't already have one.
Most magnum pistol powders (think 44 magnum) will work like H-110, w296, Trail Boss and Lil gun.
Primers are standard small rifle
Bullets any 308 bullet in the weight you want Nosler 125 balistic tip is used by some for hunting
Dies depends on how much you want to spend Forester makes some though.
Don't forget you will need to trim the brass after each firing.


this link may be helpfull and other powder manufactures data

http://data.hodgdon.com/cartridge_load.asp
Sorry about posting in wrong section. I do thank you for the information

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Re: 300 Blackout reloading

Post by BigDaddyQ on Wed Sep 25, 2013 8:59 pm

You wont find much at all in a book about the 300blk out. Got to blackouttalk.com or any black out forum or pm miker84 he played a lot with his. I got a good accurate load for mine subsonic and that is all I am going to do with it

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Re: 300 Blackout reloading

Post by SubGunFan on Wed Sep 25, 2013 9:18 pm

I have been playing with 300BLK loads, but that project has been delayed.  My personal issue with listed 300BLK loads is very few tell you if that load was with a pistol or carbine gas system, or a boltgun/singleshot.  So far I have tried as light as 124gr resized (.308") AK bullets to 225gr HPBT bullets.  I really like the potential of the 300BLK round, just not enough time these days to play with it..............

I suggest you first start by buying a few 100 pieces of processed brass. 

.

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Re: 300 Blackout reloading

Post by RON55 on Wed Sep 25, 2013 10:06 pm

SubGunFan wrote:I have been playing with 300BLK loads, but that project has been delayed.  My personal issue with listed 300BLK loads is very few tell you if that load was with a pistol or carbine gas system, or a boltgun/singleshot.  So far I have tried as light as 124gr resized (.308") AK bullets to 225gr HPBT bullets.  I really like the potential of the 300BLK round, just not enough time these days to play with it..............

I suggest you first start by buying a few 100 pieces of processed brass. 

.
I had thought about buying processed brass compared to buying everything need to get 5.56 brass ready to reload. What would be a good powder for a 16 inch, carbine gas shooting supersonic 124 gr. bullet? Thanks for replying.

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Re: 300 Blackout reloading

Post by Baxter on Wed Sep 25, 2013 10:44 pm

I use Lil' Gun for my supersonic with Carb gas 16".  I have recently tried some H110 and it works well also, but my primary is Lil' Gun....usually easier to find also.  I am a member at 300BLKTALK and I can tell you that their "Pet Load" catalog is lacking.....no one really moderates it or moves wrong posted loads into the correct section.  

125gr SMK
17.4 gr Lil'Gun
CCI 400
Converted 5.56 brass
2.250" OAL
~1850-1900 FPS and extremely accurate

110 gr Barnes Tac-Tx FB
18.8 gr Lil Gun
CCI 400
Converted 5.56 brass
2.250" OAL
~2100 fps which is about the velocity the bullet was designed for.  Plan on using this for deer/hogs/redcoats.

I am sure one could play with seating depths and tune the load a little more, but both of these shoot 1' groups at 100 yds, so I am good with that.  It is a fun caliber to shoot and reload.  PM if you got any more questions.

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Re: 300 Blackout reloading

Post by critt77matt on Thu Sep 26, 2013 8:14 am

Off of accurate powder's web site

http://www.accuratepowder.com/load-data/

300 AAC BLACKOUT
Barrel: 16” ¦ Twist: 1-10” ¦ Primer: WIN WSR ¦ Bullet Diameter: 0.308”
Case: REM ¦ Max Case Length: 1.368” ¦ Trim Length: 1.358”
Ramshot Enforcer
110 HDY V-MAX 17.4 2182 19.3 2,362 54,472 2.068
110 SIERRA FMJ PH 17.5 2191 19.4 2,358 54,293 1.850
125 NOSLER B-TIP 16.5 2048 18.4 2,224 54,680 2.165
125 SIERRA SPT PH 17.2 2072 19.1 2,246 54,500 2.035
150 SIERRA HPBT MK 15.3 1851 17.0 2,012 54,635 2.150
150 SIERRA FMJBT 15.1 1817 16.7 1,970 54,981 2.140
155 SIERRA HPBT MK 14.4 1757 16.0 1,905 52,917 2.190
Accurate 4100
110 HDY V-MAX 17.4 2182 19.3 2,362 54,472 2.068
110 BARNES TAC-TX 17.1 2112 19.0 2,311 54,426 2.250
110 SIERRA FMJ PH 17.5 2191 19.4 2,358 54,293 1.850
125 NOSLER B-TIP 16.5 2048 18.4 2,224 54,680 2.165
125 SIERRA SPT PH 17.2 2072 19.1 2,246 54,500 2.035
130 BARNES TTSX 14.4 1808 16.0 1,998 54,852 2.065
150 SIERRA HPBT MK 15.3 1851 17.0 2,012 54,635 2.150
150 SIERRA FMJBT GK 15.1 1817 16.7 1,970 54,981 2.140
155 SIERRA HPBT MK 14.4 1757 16.0 1,905 52,917 2.190
Accurate 5744
125 NOSLER B-TIP 18.9 1984 21.0 2,207 51,979 2.165
130 BARNES TTSX 16.7 1718 18.5 1,940 50,574 2.065
150 SIERRA HPBT MK 17.8 1862 19.8 2,073 54,951 2.150
150 SIERRA FMJBT GK 17.8 1848 19.9 2,053 54,993 2.140
155 SIERRA HPBT MK 17.0 1778 18.8 1,982 52,503 2.190
168 SIERRA HPBT MK 16.7 1694 18.5 1,897 54,161 2.200
175 SIERRA HPBT MK 16.5 1679 18.4 1,868 54,992 2.215
210 BERGER BTTLR 13.6 1382 15.1 1,552 53,587 2.245
210 SIERRA HPBT MK 12.5 1280 13.9 1,453 53,656 2.170
220 SIERRA HPBT MK 10.9 1085 11.4 1,216 42,598 2.089
230 BERGER THOTM 10.9 1106 11.7 1,219 43,574 2.245
Accurate 1680
125 NOSLER B-TIP 19.4 1925 21.5 2,126 39,257 2.165
130 BARNES TTSX 17.0 1704 18.9 1,923 44,632 2.065
150 SIERRA HPBT MK 19.4 1895 21.6 2,086 51,553 2.150
150 SIERRA FMJBT GK 19.5 1877 21.7 2,057 54,564 2.140
155 SIERRA HPBT MK 18.6 1817 20.7 2,010 49,099 2.190
168 SIERRA HPBT MK 17.8 1667 19.7 1,840 54,268 2.200
175 SIERRA HPBT MK 17.7 1637 19.7 1,801 54,855 2.215
210 BERGER BTTLR 14.4 1403 16.0 1,582 54,216 2.245
210 SIERRA HPBT MK 12.9 1308 14.4 1,458 50,189 2.170
220 SIERRA HPBT MK 10.9 1085 12.0 1,263 40,075 2.089
230 BERGER THOTM 10.9 1106 12.7 1,288 46,157 2.245


300 AAC BLACKOUT (Subsonic Loads)
Barrel: 16” ¦ Twist: 1-10” ¦ Primer: WIN WSR ¦ Bullet Diameter: 0.308”
Case: REM ¦ Max Case Length: 1.368” ¦ Trim Length: 1.358”
Accurate 5744
210 BERGER BTTLR 11.2 1,102 27,489 2.245
210 SIERRA HPBT MK 11.0 1,092 32,821 2.170
220 SIERRA HPBT MK 10.7 1,081 37,267 2.089
230 BERGER THOTM 11.0 1,106 37,882 2.245
Accurate 1680
210 BERGER BTTLR 11.7 1,104 23,796 2.245
210 SIERRA HPBT MKL 10.9 1,089 26,589 2.170
220 SIERRA HPBT MK 10.9 1,085 32,296 2.089
230 BERGER THOTM 10.7 1,086 31,584 2.245

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Re: 300 Blackout reloading

Post by msubullyfan on Thu Sep 26, 2013 8:22 am

BigDaddyQ wrote:You wont find much at all in a book about the 300blk out.
Hornady 9th edition has a good set of 300 Blackout data.

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Re: 300 Blackout reloading

Post by critt77matt on Thu Sep 26, 2013 9:14 am

http://www.xtremebullets.com/308-150-FP-p/xc308-150fp-b0500.htm

anybody tried these yet?

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pet loads

Post by crs7861 on Mon Oct 14, 2013 9:31 pm

Nosler ballistic tips and silvertips (combined technologies). 150gr bullets. R&P brass trimmed to 1.358. 15gr of lil'gun. Wolf srmp. Easily shoots 1" at 100 yds. Different points of impact though. Go figure. Reliably feeds, ejects, and lockback.
Sierra 180gr btsp. 12.5 gr lil'gun. Wolf srmp. R&P brass trimmed 1.358. +/-1" at 100 yds. Last time i shot these i got an impressive 5/8" group. I was impressed anyway. Eject, 80% feed, no lockback. Feeds reliably at 13 gr but groups open up. No pressure signs til 13.5 gr. but @3" group.
190gr moly smk otm. 12.5 gr lil'gun. Wolf srmp. R&P brass trimmed 1.358. 2" at 100yds. Eject or stovepipe50/50. No feed, no lockback. Just gave up on these when berm bullets came back looking just like pre-fired. Zero expansion. The jacket is so thick theres barely any lead in them. Bought these back when i first started reloading, hoping to kill hogs with them. At 300blkout speeds, basically pencil holes.
Those 150gr in converted lc '12 brass work with same load and are slightly more accurate.
Working on 150gr speer hotcore soft point flat base in lc '12 brass now. And a lee 312-155-2r cast bullet with powdercoat.
If u didnt notice, i prefer the mid-weight supersonic loads. I've got some fairly accurate loads with sr4759 from when i first started also. Couldnt find anything else then. They dont cycle the bolt tho so i quit.

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