Sierra 338 lapua load data pdf

CARTRIDGE: .338 Lapua Mag. Bullet: .338, 285, Flatline Useable Case Capaci: 96.002 grain H2O = 6.233 cm³ Cartridge O.A.L. L6: 4.200 inch = 106.68 mm Barrel Length: 28.0 inch = 711.2 mm Predicted Data for Indicated Charges of the Following Powders. Matching Maximum Pressure: 53301 psi, or 367 Mpa or a maximum loading ratio or filling of 100 % And Hodgdon's load data was done near sealevel with a 24" barrel and they show 2677fps with the 300smk's - I have a 26" barrel.Add that to the fact that most of my shooting will be done at 3,000ASL and there is plenty of juice left at 1760 yards. I've talked to him a fair amount about using US869 in our 338 Lapua improved and last I knew The Best Hunting Bullets for the 338 Lapua Mag. Most of the bullets in .338 are better suited for the speeds of the 338 Winchester Magnum, 338-06, or 338 Federal and may fragment if pushed by the 338 Lapua Magnum and impact game at close range. Just for comparison's sake, the 338 Federal will send a 215 grn bullet out at 2500 fps, the 338-06 Re: Need help on .338 Lapua 300 grain loads Use Retumbo if you want to shoot the 300. Excellent velocity and not sensitive to temperature change. I use 95 grains with 300 SMK in my 338 Lapua AI. Velocity is around 2850 fps from a 30" 9.3 twist Broughton. 25 shot group @ 1K Gunpowder Charge Weight Velocity m/s Velocity fps; Norma MRP: Max 90.7 Min 86.0: 924 867: 3031 2845 Inkognito. I am finally starting to play around with different loads for my .338 Lapua. The components I currently have are VihtVuori N560 Powder and Sierra 250 Game king & Sierra 300 Match King bullets. I am starting with the 250 gr bullets and according to Sierra's load data, my range is from 82.1 gr @2750 fps. to 90 gr. @3000 fps. MK. Buy Gold Medal Sierra MatchKing for USD 157.99 | Federal Ammunition from Federal Premium. 2,580 fps. 0.768 lb/in². 0 gr. .338 Lapua Magnum Cartridge / 300 gr HPBT Scenar Bullet Bullet Reloading Data Remark: Ballistic coefficients are based on the result of Doppler radar tests. Remark: Ballistic coefficients are based on the result of Doppler radar tests. Test barrel: 700 mm (27½"), 1 in 10" twist Primers: Large Rifle Magnum HPBT MATCHKING. .338 CALIBER 300 GR. HPBT MATCHKING. This bullet is designed in the MatchKing® tradition and intended for rifles shooting magnum cartridges, such as the 338 Winchester Magnum and 338-378 Weatherby. The huge 300 grain match bullet is a trendsetter. While they are recognized around the world for record-setting accuracy, MatchKing 469. Apr 5, 2003. #1. Here are some targets from today shot at 200 yards, as you can see the weather was pretty rough, alot of rain and snow. All groups are three shots including the top left diamond (91.2 grains) which measure 5/16"!! The 300 grain Matchking was the only bullet used at approximate velocities between 2680-2790 fps. 6mmx45 Load Data. 6mm Musgrave Load Data. 6mm XC Load Data. 243 Winchester 24" Barrel Twist1: 8 Load Data. 243 Winchester 24" Barrel Twist1: 9 Load Data. 243 Winchester 24" Barrel Twist 1: 10 Load Data. 243 Winchester 26" Barrel Twist 1:10 Load Data. 243 Winchester 28" Barrel Twist 1:10 Load Data. 6mm Rem Ackley Impr Load Data Custom 338 Lapua Magnum rifle. After quite a bit of research I decided to try to develop an accurate and relatively fast (2600 FPS+) load using the 300-grain Sierra Matchking (SMK). For comparison purposes, factory Lapua 300 grain ammunition is advertised at 2725 feet-per-second