Brass has the 28 Degree shoulder - this is not the 30/25 WSSM brass. 8mm Rem Mag. You can get a 150 grain bullet going over 3000 ft./s but you start to get over pressure signs. Hornady Manufacturing is already making dies for the .300 OSSM, so handloaders will be able to get to work immediately with this load. Here is 300 0SSM load data from Olympic arms website a couple of years ago. Add to Wishlist | Add to Compare; 300 OSSM Ammunition - 300OLY-3N. Handloader Magazine Reviews Low Recoil 6.5 Creedmoor. I have both. What Optics Will Fit the Springfield Armory Hellcat? Thankfully I took a picture of it.  Although some people might figure this load to be a niche caliber, and I suppose it is, it really has the opportunity to grow into a cartridge with a good following. Add to Cart. Your email address will not be published. Generally, the savings in length are approximately 2.5” when using a 24” barrel as opposed to the optimal 26” barrel length for the .300 Win Mag. If I was to take one after elk I would take the 300. The Honeystead Recommended for you. The 300 kicks quite a bit more. Quite the dig, indeed.  If you are in the market for a North America big game hunting rifle, check out the Gamestalker. Currently, ammunition is available directly from Olympic Arms, but will soon be available from HSM, who helped develop the cartridge.  Three loads are available now:  110 grain V-MAX (at 3400 fps), a 150 grain Speer Grand Slam (at more than 3000 fps) and a 150 grain Sierra boattail (at more than 3000 fps.) As of , it looks like the anti-gun team of Joe Biden and Kamala Harris may win the White House. Lucky Gunner® carries ammo for sale and only offers in stock cheap ammo - 100% guaranteed. #1579920 - 04/09/10 04:13 PM Re: New Oly AR-15 rifle/upper .300 OSSM [Re: Mrgunslinger] chefpierre Die Hard Member III Registered: 02/05/09 Posts: 2009 Loc: Da UP of michigan Now thats some cool stuff. The rifle has a retail price of $1359, but expect street price around $1200-1300. The US Congress doesn’t look much better. 30 Nosler. However, the cartridge lives. This brass has been reformed from New Winchester WSM parent case. It uses a standard ar-15 lower receiver, a modified upper and bolt, modified ar-15 magazine, rounds single stack in the magazine, allowing for approx 4, 7, & 11 round capacity depending on the size of the original 223 magazine. Brass is made as orders come in - please see our home page for estimated production timeline. This Gamestalker model features .300 OSSM .243 WSSM or .25 WSSM in a 22'' stainless steel fluted barrel. If I only had a 6.5 I would hunt with it but still prefer the 300 for large game. The advantage to this round is the ballistics are nearly identical to the .300 Winchester Magnum , [2] but in a lighter rifle with a shorter action burning 8 - 10% less gun powder. 338 Fed. Olympic Arms had their new Gamestalker rifle on display at the 2010 SHOT Show.  The Gamestalker is an AR-platform rifle chambered in .243 WSSM, .25 WSSM and the brand new .300 OSSM (scroll down for more information on the cartridge.). details. If you already have a california legal lower reciever you can just get an upper. The ejection port cover is not included because the port is enlarged to allow the OSSM cartridge to fit through it. UMAR-300 (cambered in 300 OSSM) PP20 Plinker Plus 20” These are all models which sport a 20-24” barrel. So, you recently purchased a Springfield Armory Hellcat and now you want to add a red dot sight (RDS). Gun owners need to sign up immediately for a lifetime membership to the NRA. Why? Find your best price for 300 WSM Ammo | Cheap 300 WSM Ammunition - AmmoSeek.com Search Engine 2020 In this Apex trigger review, […]. 325 WSM. 338-06 A-Square. The 300 OSSM cartridge is a SAAMI approved cartridge developed by Olympic Arms in conjunction with Hunting Shack Munitions and Hogdon Powder based on the.243 WSSM cartridge necked out to 30 caliber. ... but no longer think they are suitable for the 300 OSSM. Save my name, email, and website in this browser for the next time I comment. Quality, continuous improvement, and innovation are the bedrock principles of the Hornady reloading division. I recommend taking a look at the Action Enhancement Trigger from Apex Tactical Specialties. Due to increasing concerns over COVID-19, we have resulted in closing our front office for walk-in traffic. You can even build your own […], In today’s review of the Girsan MC1911 CT, I take a look at a classically designed .45 ACP pistol with modern updates including a red dot sight. In this Springfield Armory XD Subcompact pistol review, I take a look at the smallest gun in the company’s Defend Your Legacy Series of […], Riots are raging across the United States – and have been for days. Your email address will not be published. AR-15s are available in 7.62x39, .300 BLK, 7.62x40mm Wilson Tactical, .300 HAM’R and other .30 caliber cartridges which fit its magazine well and don’t exceed its bolt thrust or face size limits. No idea, sorry. 338 Caliber.338” Diameter.  That is a fairly bold, and exciting, claim from OA. Brass will need to be trimmed to final length prior to loading. Brass has been through our forming process and annealed. You may want to contact Olympic Arms directly. Olympic Arms introduced a new cartridge: the .300 Olympic Super Short Magnum. According to Olympic Arms staff, the .300 OSSM is a .308 bullet in a shortened WSSM case that was designed to shoot out of a standard AR-15 platform. The result? A cartridge capable of taking any game on the North American continent that can be shot out of a handy, lightweight rifle. For a while, it was the only AR to be chambered in that caliber. The Wilson Combat WCP320 Carry is one of the best 9mm pistols I’ve reviewed. Are use XBR8208. However, with elk on the menu I would prefer the 300. Gamestalker rifle (see additional information here), NRA Life Membership – Best Deal [Limited Time], What is the best optic for my Glock 43x MOS, Springfield Hellcat Apex Trigger Review: An Upgrade Worth Considering. 50 Pieces of reformed .300 OSSM brass (300 Olympic). Includes one 5-round magazine. This user-installable kit promises to retain all of the safety of the stock trigger while improving the break, pull and reset. 30-06 with a 150 grain bullet runs 2792 fps, but the .300 OSSM (.300 Olympic Super Short Mag) is running 3040 fps with the same bullet. Ballistics Comparison for 270 Not Available Online | H12-UMAR; 5 Round UMAR Magazine - WSSM Calibers. Brass will need to be trimmed to final length prior to loading. Another option is to build your own upper reciever and spin on a 300ossm barrel. With the standard features, the gun seems like a great […], While single-stack 9mm pistols seem to be all the rage in modern concealed carry, subcompact pistols that hold a bit more ammunition shouldn’t be dismissed by anyone interested in personal protection. I’m from California. By purchasing and loading our brass you are assuming all liability. The .300 WSM also head spaces off its case shoulder versus the older 300 Winchester Magnum's belted head space engineered design. The bottom line: more gun control legislation is coming […], Got a Springfield Hellcat you want to squeeze every bit of performance possible out of? They call this the game stalker. 5 Round UMAR Magazine for WSSM calibers. You’ll find that handloading your own ammunition custom tailored to your rifle or handgun and your own shooting needs, couldn’t be more safe or easy with the tools we provide. In addition to Credit Card we will accept USPS Money Orders; select 'Pay Offline' in the checkout. 8mm (8x57) 8mm-06.  The AR-style rifles are becoming extremely popular in hunting, and having a big game cartridge for the platform – with just a upper swap – will be very popular with some people.  Olympic Arms staff state the rifles are in production now, but supplies will be limited initially due to the amount of time needed to properly apply the camouflage pattern. 338 Lapua Mag. 50 Pieces of reformed .300 OSSM brass (300 Olympic). Dies & Accessories. Action Gas Operated. 338-378 Wby Mag. They are both great rounds. 300 Rem Ultra Mag. 6.5 prc will kill anything on the planet. 8mm Caliber.323” Diameter. Consequently, I’ve had a number of emails come in from readers who are looking for the best self-defense pistol on a budget. For liability we recommend starting to load this brass with reduced charges to ensure safety. Finally, shooters of the AR are freed from the confines of overall length in a standard magazine. Let me tell you. 338 Win Mag. 7.62x51mm NATO. Original SIG pistols are in high demand and aftermarket accessories are plentiful. 0Ssm load data from Olympic arms receiver Finish Camouflaged design draw a of! Dot sight ( RDS ) the United States military, the popularity of safety... I was to take one after elk I would prefer the 300 going to be chambered That... The bedrock principles of the Hornady reloading division That is a … 300 OSSM (... Rifle has a retail price of $ 1359, but expect street price around $.! 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