As for velocity, I get 3160fps with a Berger 180 hybrid, 70gr VV N570, Fed 210m primer. Muzzle Velocity ft/sec. I have new ADG brass and a ton of R22 that I had planned on using here. Remington countered with the SAUM line. I have just started some more load development for my 7 mm SAUM that has been a safe queen for rather too long. This seems to shoot well and holds up longer. 7mm SAUM in S/A best expected velocities. According to the load manuals, the 7mm WSM offered a bit more velocity than the 7mm SAUM. My personal SAUM 22” Proof Barrel gets 2990 with 63 GR RL26 and 150 Accubond. I’ve chambered several 7 SAUM’s with 20-22” barrels for myself and others for hunting rigs. I’ve got a factory Rem 700 SA 7mm SAUM with 24” sporter barrel. The SAUM cartridge works great at pushing these 6.5mm 140 grain high BC bullets at great speeds with lots of energy. Posts: 855. What's the barrel life of a 7mm SAUM shooting 180 bergers with 60-62 grs of H-4831sc. I have a few heavy 7mm barrels laying around, not being used. In short, like the 7mm Rem Mag, the .300 Win Mag is an excellent cartridge that packs more performance than the .30-06 Springfield into a comparably sized package. 7mm SAUM Velocities question #8218444 11/03/13: Joined: Mar 2011. Larger velocity differences are however seen when comparing the 22” barreled Model 7 to the 24” barreled Winchester M70. When I had my 7 SAUM with 24" barrel: Either Rem or Norma 7mm SAUM brass 162 Amax / H4350 @ 59.0grs Max load 2995 fps 162 Amax / H4831 @ 60.5 grs mild load 2850 fps 168 VLD / H4350 @ 58.4grs. are you shooting your mouse gun? I will be there, Saum in tow first baptism in a formal comp. What velocity are you getting? I have a new 7mm SAUM I’m planning to run 180 Scenars or Bergers in. I did not look for velocity only accuracy. (The 7mm WSM has 81.0 grains of capacity vs. 73.6 grains for the 7mm SAUM.) L. Joined: Mar 2011. This is why necking the 7mm SAUM cartridge down to make 6.5 mm makes so much sense. Re: 7mm SAUM any issues? I have a factory Remington 700 BDL in 7mm Saum. What is the real world velocity's you get with 140 and 160 grain bullets and in what barrel length. Tell me about your 7mm SAUM's. I know we can get the bergers to shoot well, but not sure on their performance on big game - … IMO- If your shooting past 1000 yards the 7mm is a better choice. Not sure why, but it's different than Norma/Nosler 7mm. The 7mm SAUM has a reputation for being easy to load using medium to slow burning powders. 0.266 Bullet Style: TSX BT Primer: Fed GM215M B.C. With the heavier, I used some W780, but did so much hunting on whitetails with lighter bullets, never really settled on something. RL-19 or 22 may be good. According to the load manuals, the 7mm WSM offered a bit more velocity than the 7mm SAUM. Best bet seems to be Norma 300 SAUM necked down to 7mm. Shop Nosler Products. 7mm Bullets . The SAUM line of cartridges are on life support and long term success doesn't look good HANDGUN BALLISTICS. #24 Post by BRETT B » Mon Nov 09, 2015 5:19 am I think 2209 gets its Barrel Burn reputation from people pushing the Velocity envelope with certain cartridges!! Most of them are shooting 150 and 160 Accubonds. The 63.9 grains of H1000 gave me what I was looking for with both accuracy and velocity. 2880 fps ES 15 SD 5. The difference in velocity between the 7mm SAUM cartridge and the 7mm Winchester Short Magnum (WSM) is less than 50 … Since its introduction in 1962, the 7mm Remington Magnum (7 Rem Mag) has developed a strong following, becoming the most popular metric hunting cartridge in the United States. These are shot out of short actions using Wyatt’s boxes. John Skowron The SAUM is a very efficient case. Berger estimates a velocity loss of 31fps per inch of barrel for the 7 saum. 2209 can burn a Barrel QUICK in over bore cartridges if you start squeezing for a bit more velocity ( eg , 284 @ 2900+ or 6.5x47 at 2900+) . more powder than a 284 I'm thinking it will be between a 284 and a 7mm WSM. Winchester's 300 WSM and 270 WSM are solid rounds that sell well. I'm thinking the 22" variety has a … For a visual: 7mm SAUM with 180 Berger hybrid at 2.950 OAL. That being said, my eye is firmly on the new 6.8 Western. 6-8 grs. I was very happy with the velocity I'm getting with my 6.5 CM and 139 Scenars. 7mm SAUM Cartridge Information. The gun has a Lawton SA 7500 dual port, 30" McGowan barrel. Is 1500 rds about right? However, to achieve its small velocity advantage, the larger 7mm WSM had to burn 7-10% more powder than the 7mm SAUM. A cartridge DESIGNED to fling long, sleek, .277 cal 175gr hunting bullets (about the equivalent of 180gr 7mm bullets) at the same velocity the 7 SAUM shoots 7mm 175gr bullets is very intriguing. It printed groups of .2 to .3 MOA and a conser- vative 2,920 fps with standard deviation (SD) at 6 fps. After hearing/reading so many positive reviews on the 7mm 120 grain NBTs, I tried them out last year. I shot a lot of 139gr SST with RL-17. (The 7mm WSM has 81.0 grains of capacity vs. 73.6 grains for the 7mm SAUM.) I had a Remington 7 in 7mm SAUM. Looking back through some of my loads I have had very good luck with IMR-7828 with different bullet weights from 154 Hornady SST's, Sierra 168 Match to Berger 180. Campfire Regular. Also ADG will be coming out with 7mm SAUM brass later this year. Alpha (ADG) seem to be pretty good, however they don't have enough case capacity to really get velocity without pressure. The rifle is a Remington 700 Sendero aquired in 2004. Had Remington initially introduced the .300 SAUM in a 24 or 26” barrel, the initial launch and marketing campaign may well have had a different result. BuzzH and his wife kill so many elk with their 7-08s and 140 grain Accubonds, that I'm thinking about taking my 7-08 this year instead of my 7 SAUM. I have have two 7mm SAUM's, both short actions, and if you chamber a round and decide not to fire, you'll end up pulling the bolt. I shot 3 bucks last year and had great performance on all of them. It is a Rem 700 with 24 " barrel. Re: 7mm SAUM + 180 Berger Hybrids We ran some rounds through LVMikes chrono with my 6.5 CM match rifle, Dane's 7mm SAUM and LVMikes AI tight bore .308 Win. They are very similar in performance. I know some users on hunting forums report better barrel life but that's not a major concern. 3070 fps ES 6 SD 2! Thread starter Willow; Start date Apr 6, 2020; Willow. Max load 2980 fps My current load is 180 Hybrids / Retumbo @ 65.9grs 2900 fps. 7mm Reloading Components. RIFLE BALLISTICS. Load data seems all over the place on this one, wondering if anyone here is running the same. I,m thinking of building up a 7mm RSAUM (or possibly 7 WSM) strictly for 1000yd BR heavy gun. However, to achieve its small velocity advantage, the larger 7mm WSM had to burn 7-10% more powder than the 7mm SAUM. 7mm Mashburn Super Magnum and 7mm-.300 Weatherby (both based on the belted-magnum case and required 3.600-inch length actions) failed to gain widespread acceptance. The SAUM is a very efficient case. For your 150gr Nosler, I think that is the ticket. But what is done is done. But the more I look into the 7mm SAUM the more I want to start organizing a parts list for building one. Since it's using approx. In fact, the difference in published velocity is often smaller for the 300 WSM vs 300 Win Mag than the 7mm WSM and 7mm Rem Mag. 7mm Rem Mag vs 300 Win Mag: Cartridge Sizes. Even though the heavier 7mm bullet is rated at a high BC it doesn’t have the initial velocities to maintain the energy and speed down range. The load manuals also showed that the SAUM would out-perform the 280 Ackley Improved with almost identical charges. 28 Nosler Brass.280 Remington Brass.280 Ackley Improved Brass 7mm Rem Mag Brass 7mm Rem Ultra Mag Brass 7mm Rem SAUM Brass 7mm Shooting Times Westerner Brass 7mm-08 Remington Brass 7x57 Mauser Brass. Trying to get some real world feedback on bullet performance on mule deer, elk, sheep, antelope, bear etc. However, to achieve its small velocity advantage, the larger 7mm WSM had to burn 7-10% more powder than the 7mm SAUM. I'm thinking this could be a nice mountain rifle. This is why necking the 7mm SAUM cartridge down to make 6.5 mm makes so much sense. So a 30" barrel may get me to around 3050fps. COOL STUFF : 25 ACP 32 ACP 327 Magnum 380 ACP 9mm Luger 357 Magnum 357 SIG 38 Special 38 Super 40 S&W 10mm Auto: 41 Magnum 44 Magnum 44 Special 45 ACP 45 GAP 45 Colt 454 Casull 460 Magnum 480 Ruger 50 AE 500 Magnum: 223 Remington Posts: 855. I was wondering what guys are getting for velocities. I just got mine and it seems to be 100-125fps slower than advertised. How low have the velocity spreads been? OP. I'm running a 180 at 2900fps from a 24" Barrel. It was designed specifically for the Remington Model Seven Magnum rifle, and intended primarily for long-range hunting use. 0.408 COAL: 2.750" Barrel Length: 24" Case: R-P Twist Rate: 1:9.25" Charge Velocity Charge Velocity Load Powder (grains) (fps) (grains) … I'm looking at one real hard with a 22" barrel but also found one with a 24" barrel. I'm thinking of going with the 7 SAUM instead of 6.5 SAUM for a new build. (The 7mm WSM has 81.0 grains of capacity vs. 73.6 grains for the 7mm SAUM.) EDUCATION 101. We were surprised that the chrono confirmed the velocity we estimated. So velocity wise it will run with a SAUM but should require less trimming, and is made by ADG brass which from all reports is very uniform and strong. Campfire Regular. 7mm RSAUM Bullet Weight: 150 gr Case Trim Length: 2.025" S.D. The selection of high BC bullets is much better for 7mm. COAL of 2.900-2.930 depending on bullet. The 7mm WSM is on the fence, it might be a succcess, it might die. Being new, it can expect some support, as well. Not a insurmountable problem, but a pain none the less. Putting it in a Manners SL that’s inlet for M5 DBM, and will use APA RTG DBM and Accurate Mag 3 round WSM mags, which allow 2.96-2.98” OAL. lhead71. You can see some of the differences between the .300 Winchester Magnum and 7mm Remington Magnum cartridges in the photo below. See you there. Remington 150 grain factory loads shoot really well and deliver around 3,070 feet per second. Hopefully you're using a long action, I'm using a short and I would almost have to single load to use the 195's. Ct. L. lhead71 OP. I'm helping a buddy build a mid-range all around mountain rifle in 7mm SAUM. Who has been using a 7mm RSAUM for 1000yd comps? I used two powders: H1000 and H4350. Even though the heavier 7mm bullet is rated at a high BC it doesn’t have the initial velocities to maintain the energy and speed downrange. It also looks like the Reloader 17 powder was designed for the short action mags and should provide great velocity for the Berger 180g bullets. I look forward to the even smaller targets NOT! 7mm SS vs 7 SAUM. Remington introduced the 7mm Short Action Ultra Magnum (SAUM) cartridge in 2002 to compete with the 7mm Winchester Short Magnum cartridge. 7mm Remington Magnum (7 Rem Mag) Barrel Length Versus Velocity. But I'd say the heaviest 28-30" barrel you can use. 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