H4350 can be used as a substitute. Powders include Accurate, Hodgdon, IMR, Alliant, Winchester, Ramshot I use 4831sc and Win primers and brass. please sir, remove your head from your rear. When I had a 300 WSM 2 loads stood out the 180 gr Protected Point Partition with 69.5 gr H 4831 SC that clocked in the low 2900's and between 59.5-60 gr RL 15 with various 165 gr bullets and speeds around 3050 fps. 300 WSM accuracy loads: Berger 230 VLD OTM IMR 7828ssc: 62.2 gr 2.965" (touching lands) Norma 300 WSM, neck turned to 0.0130" (80.4gr H2O cap) WLRM primer 2625 fps at 30F, 2651 fps at 65F, av. TRG M10. Can't wait to do some load development. It performs the better on game and is the most accurate as well. I had an A bolt a while back and remember liking what the 300 WSM did, excellent accuracy and good speed without burning a lot of powder. BULLETS loads from accurate load book 2700--59.2gr=2,777 FPS 65.8gr=3,085 FPS 4350--61.2gr=2,823 FPS 68.0gr=3,137 FPS MAGPRO 70.2gr=2,828 FPS 78.0gr=3,223 FPS - 08/09/08 Thanks guys, I've tried IMR4350 with 150 gr bullets and IMR4831 with 165 and 180's with decent results. Go figure. Hornady is pleased to announce they are now shipping two different loads of 300 WSM ammunition. My best load so far has been (OVER MAX LISTED LOAD, WORK UP) 68gr of IMR 4831 under a 165 gr Partition running 3040FPS and grouping just over 3/4". We also developed reduced-recoil loads using Accurate 5744 that were very consistent. I'd be interested to hear how the 6.5-.300 WSM wildcat does. 200 ELD-X @ .020" off 69.3 grains RL26 CCI 250 3010 fps 200 Accubond @ 2.314" BTO 62.1 grains RL16 CCI 250 2900 fps This one is the most stable across all temps. .300 WSM (Winchester Short Magnum)-Anonymous-2 Published on 10-23-2014 11:08 PM Number of Views: 4409 LOAD DETAILS I shoot a Sako in 300 wsm and it likes the Barnes 180 tsx and either RL 17, 19, or Hunter. Best .300 Win Mag Loads. Youth Loads - Winchester Smokeless Propellants ... 300 Norma - Accuracy 1st 0. | .338 LAPUA MAG. Posted on July 08, 2015. This is my favorite load … I also worked up a load with Hogden superformance and CCI large rifle primers pushing 150 grain sierra game kings that groups MOA or better. I've gotten BETTER than 3000 fps with interbond 180's. I've done the research and started to develop a new load for the 300 WSM. Best accuracy occured with Mag Pro and best vel occured with IMR 4831. I actually found that the gun shot better when I increased the powder. While there are few game animals which could ever tell the difference between the two, many shooters appreciate the higher velocity figures. Powder and charge in grains Cartridge OAL, yes OAL (not to the ogive) Primer Brass Mfg. The .300 WSM, an original Winchester design, fits handily into bolt-actions sized for a cartridge length of 2.860 inches. The two flattest shooting rounds are a .300 WM and a .300 WSM round while the two steepest rounds are also a .300 WM and .300 WSM round. .300 Winchester Short Magnum / .300 WSM (Barnes Reloading Manual #4) reloading data with 106 loads. During my .300 WSM load development, several 100-yard, five-shot groups were in the “ones”, no mean feat for a rifle pushing 230 grains at nearly 3000 fps. With 165 or 180 grainers, I get best velocities with compressed loads of those powders with standard win primers. Looks like you have some fantastic loads, nice. 300 Wsm Accuracy Reloading Data The load tolerance window, the powder charge spread where velocity, ES and accuracy are relatively constant, is 0.8 grains in my loading. In these instances, it is not uncommon to find the best accuracy with a jump of .200” or ... 300 H&H Magnum 300 Remington Short Action Utlra Mag 300 Norma Magnum (NEW) 300 Winchester Magnum (NEW) 300 WSM 300 Weatherby Magnum 300 Remington Ultra Magnum (NEW).310″ Diameter. 12 .308 WIN. Been using H4350 with CCI magnum primers behind 165 grain accubonds. It was shot from 200m and expired less than 30m away after a short run. 64 grains AR2209, 168 AMAX, Fed primer, Norma brass. Brass for the .300 WSM was designed to withstand much higher pressures than traditional belted magnums, enabling the small case to either duplicate or surpass .300 Winchester Magnum factory loads. A few of my favorite hunting loads in my 26" PacNor barreled Win M70 are: All of my 300 WSM loads use Norma cases. MAG. And again, you might look at the numbers on the graph and realize you have seen other trajectory data with much flatter trajectories but remember we are only looking at factory loads. For example, the standard 180-grain load of the .300 Winchester Magnum is 2960 fps, while many of the .300 WSM loads with the same bullet weight will run at 3000 fps or better. Accuracy Loads For 300 Wsm. dude, such a noob question. The .300 Winchester Short Magnum (WSM) was introduced in 2001 as a joint effort between Winchester Ammunition, Browning and Winchester/USRAC. Ended up at about 2975 fps. No need for magnum primers, no matter what the name of the cartridge is! Squeezing things down from .308 to .264 doesn't just make the neck longer - it gets thicker, too. During my .300 WSM load development, several 100-yard, five-shot groups were in the “ones”, no mean feat for a rifle pushing 230 grains at nearly 3000 fps. It has a 22 inch barrel and suppressor. Best Powder For 300 Wsm Reloading . Yes, the .300 WSM Winchester Short Magnum is A GOOD CHOICE for elk hunting, under average conditions, from a mid-range distance, with a medium grain expanding bullet, and with correct shot placement. Berger VLD: 66.4 Grains, Hodgdon H1000: WLRM 2.7930-2.7950: 28" 3130 fps: Very accurate. Of the rounds they chamber the 300 WSM would fit the best for what I need right now. 4 good powders I have used are: IMR 4831, Reloader 19 and MagPro. This is my favorite load for my X-Bolt. My best loads for my Browning A-bolt 300 WSM have been with H-4831-SC, AA-4350, and R-19. 300 Wsm Load Data Hornady . I believe about 67 gn of RL 17 was it. The short magnum concept was not a new idea, as wildcatters developed similar cartridges even before World War II, but there was renewed interest in similar wildcat cartridges in the decade previous to the .300 WSM’s introduction. Awesome accuracy! Using bullets from Barnes TSX BT, Barnes TSX BT or MRX BT, Barnes TSX BT, MRX BT or BND SPIT, Barnes TSX BT, MRX BT or Banded Solid Spitzer, Barnes MRX BT or TSX BT, Barnes TSX FB, Barnes SRN. The ability to utilize these high velocity factory loads without having to hand load was one aspect of appeal to hunters who adopted the .300 WSM. A mate took this wild boar with his 300wsm. For highly efficient and consistent powder burning, the .300 WSM has a short-fat powder column geometry, a concept revered by accuracy-obsessed benchrest shooters for nearly three decades. Normally, developing loads for the .30-caliber magnums with varmint-weight bullets was a painful slog through inconsistencies, but the .300 WSM was very well behaved with 110- and 130-grain bullets. When it shot 4 shots into a bit over an inch at 400 yards I thought "fu*k me" this rifle is too good for my brother! 300 Win Mag ONLY I need your favorite accuracy loads. the silly thing about guns is there difference in barrel vibrations from one gun to the next. Nothing fancy but shoots well. 300 Wsm Hunting Loads. Witness the success of the Federal High Energy and Hornady Magnum Abbreviated Name: 300 WSM TECHNICAL INFORMATION: While this cartridge is capable of digesting all of the popular 30 caliber weights, best performance will be achieved with 150 to 180 grain bullets. The load tolerance window, the powder charge spread where velocity, ES and accuracy are relatively constant, is 0.8 grains in my loading. 300 Wsm Hunting Loads Free PDF eBooks. I was still within max loads in the Nosler manual. Handloads For 300 Wsm. 300 Wsm Bullet Drop Chart . Fast forward to this year. A few examples include the .300 Remington Ultra Magnum, .300 WSM, .300 RSAUM, .300 RCM, .30-378 Weatherby Magnum and several others. Re: 300 WSM pet loads? My 300 WSM loves 180 gr. 300 Wsm I use a win 70 also in 300 WSM. However, with a 150- to 165-grain expanding bullet, it’s capable of 3,000+ fps velocities, equal accuracy with noticeably less recoil, a flatter trajectory out to 750 meters or so and excellent terminal ballistics on living targets. See article: 150 Gr Hornady SST In My 270 WSM X-Bolt: 150 Gr. Both options offer exceptional accuracy and give hunters a dependable choice in either a 165 gr GMX or 200 gr ELD‐X bullet. I got a load going for my brothers 300 wsm T3. HERE IS SOME YOU MIGHT TRY FOR 300 WSM ACCURATE POWDERS 165 GR. Most recently, the .30 Nosler and .300 PRC are very promising versions that in my humble opinion have the potential to supplant it, but as of this writing the .300 Winchester Magnum is still by far the most popular. Please provide: Bullet weight and Mfg. if you truly want accuracy on your .300 wsm you need to load and test various bullet weights yourself. I had been using a middle of the road load and went up 2 grains and shot better. I have a 300 wsm in a Tika T3. partitions (sp's, not the other kind). | .300 WIN. sd 4.5 (Warm, but on 13th loading with no dropouts yet) Annealed after each firing
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