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300 weatherby magnum ballistics - Jul 19, 2021 · The 300 Weatherby Magnum is a very powerful cartridge. When loaded with a 220 grain bullet, it del

The 300 PRC is designed to load for longer heavier bullets alr

The 300 Weatherby Magnum is a very powerful cartridge. When loaded with a 220 grain bullet, it delivers 2 tons of energy at the muzzle allowing you to safely hunt all of the North American game animals as well as most African game animals. The 300 Weatherby Magnum when loaded with 165 – 180 grain boat tail bullets becomes a very effective ...Buy discounted Weatherby Ammo for sale online at Omaha Outdoors. Shop a large selection of in stock Weatherby Ammo manufactured by Weatherby. ... 300 Weatherby Magnum ... Weatherby Ammo 378WBY 270gr, 20rd Box. $166.99 $142.09. Available Online ... Weatherby Vanguard First Lite 300 Weatherby Mag, 28" Barrel, First Lite Specter Camo, 3rd.The Winchester cartridge and rifles appealed to more reserved hunters, the Weatherby to those that favored extreme velocities. Browse us & save your time to find the best deals. $2.85 per round starting price for 300 WBY Mag Ammo. 100+ products with the price range from $2.25 to $7.75 CPR from Weatherby, Remington & Hornady. This caliber with the smaller bullets is often not adequate but when we load the guns with our 200 Grain A-Frame bullets - our BEAR HAMMER ammo is capable of taking even the largest of North America's bears. Make no mistake, the .300 Weatherby Mag will never have the same amount of energy or knock down power as a .338 Win Mag or .375 Win …Performance The .300 Weatherby Magnum is a truly powerful, highly effective medium game cartridge. This cartridge has however always suffered one major limitation - unrealistic expectations. In earlier years the Weatherby was promoted as being able to flatten anything that walked via sheer velocity. According to SportsmansGuide.com in 2016, the federal ballistics chart for Remington 22-250 lists the trajectory for an average range as zero inches above sight line to -7.6 inches at 300 yards. The trajectory for long range is from zero, t...Jan 29, 2022 · 6.5-300 Weatherby Magnum: 907: 697: 1002: 6.5 Weatherby RPM: 811: 610: 909: ... All three are excellent choices for long-range hunting ammo.” Jordy Buck, owner of ... Average Gr: 176. Recoil: 2.63. Power Rank: 5.68 of 20. The .300 Weatherby Magnum was designed by Roy Weatherby in 1944. The parent case is a .300 H&H Magnum by expanding it to maximum capacity. Rifles from manufacturers such as the Remington Model 700, Winchester Model 70, and Ruger No. 1 are able to use the .300 WM. 300 Weatherby Mag 200 gr ELD-X® Precision Hunter®. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. Great care has been given by Hornady engineers to develop superior, match­-accurate hunting loads that allow the ELD­-X ® bullet to achieve its maximum ballistic potential.The .300 Weatherby Magnum was created quite easily by removing the body taper from the .300 H&H case, thus significantly increasing powder capacity and resultant velocity. The nominal case length of 2.8 inches is retained, so we call the .300 Weatherby a “full-length” magnum, requiring a .375 H&H-length action and unable to fit into a ...WEATHERBY AMMO 300 WEATHERBY MAG 200g NOSLER ACCUBOND 20bx 10cs . $100.99. Less than 5 in stock Item #: WYN300200ACB $5.05 per round. Volume Discounts Available . BARNES AMMO 300 WEATHERBY MAG 180gr TTSX-BT 20/bx 10/cs . 1. $67.99. Out of stock. Item #: BA22013 $3.40 per round.What to look for The best bags are made of high-quality nylon (ballistic or Cordura), which resists tears while providing give. Another sign of quality:… By clicking "TRY IT", I agree to receive newsletters and promotions from Money ...Reloading: When it comes to comparing different calibers, the 300 Weatherby Mag and the 300 Win Mag are two of the most popular choices, and for good reason. Both offer unbeatable performance with excellent ballistics, making them ideal for long-range shooting. But which one is better?Weatherby 300 Weatherby Mag Nosler Ballistic Tip 165GR 20Rds ; Bullet Weight · 165 GR ; Muzzle Energy · 4111 ft lbs ; Muzzle Velocity · 3350 fps ; Rounds Per Box · 20 ...The sleek profile features an ultra-high ballistic coefficient (BC) and increased sectional density, delivering the highest energy retention upon impact. ... 6.5-.300 Weatherby Magnum; Here’s a look “inside” Berger’s production lot test validation procedures for the new 156 EOL projectile. Our first groups on target in the 300 meter ...This ballistic chart, created on the Ballistics App, shows the velocity and energy potentials of 6.5-300 Weatherby Magnum with it’s hottest commercial round. Weatherby offering a sizzling 6.5mm cartridge is of little surprise, given many companies have recently turned their attention to the ballistically gifted caliber.Right out of the gate, the .300 WSM moves at 3,220 ft/s, which is 120 ft/s over the .300 Win Mag’s 3,100 ft/s. The distance remains fairly steady as we get out to longer distances: at 500 yards, the .300 WSM is going 2,203 ft/s, while the .300 Win Mag is lagging just 116 ft/s behind at 2,087 ft/s.Weatherby Select Hornady Interlock Soft Point 300 Weatherby Magnum Ammo 165 gr 20 Round Box. $57.99. $4.47. PPR. Add to Compare. (1) Remington Core-Lokt Jacketed Soft Point 300 Weatherby Magnum Ammo 20 Round Box. $89.49. Free Shipping Option*. 300 Weatherby Mag 200 gr ELD-X® Precision Hunter®. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. Great care has been given by Hornady engineers to develop superior, match­-accurate hunting loads that allow the ELD­-X ® bullet to achieve its maximum ballistic …300 Weatherby Magnum Load Data. NOSLER INC. Explore the world of Nosler, renowned for crafting the finest bullets, ammunition, rifles, and brass. Discover our extensive lineup, including Partition, AccuBond, E-Tip, Ballistic Tip, Custom Competition, and more. Experience superior quality and performance with Nosler products.These attributes make the 6.5-300 quite effective for long range hunting on medium-sized game. Availability. Weatherby is currently the only manufacturer of rifles chambered in the 6.5-300 Weatherby Magnum, as well as the only current supplier of ammunition. However, cases could be formed from .300 Weatherby Magnum brass. See also 300 Weatherby Magnum. The .257 Weatherby Magnum is among one of the flattest shooting commercial cartridges. The .257 Weatherby Magnum shares the same cartridge ...NEVER HAS A 6.5MM BULLET GONE FASTER! In 2016, Weatherby ushered in a new era in ballistic superiority by introducing both a new c.The .270 is one of a family of Weatherby Magnums which share a 2.545” (64.64mm) length case. These include the .257, .270 and 7mm Weatherby Magnum cartridges. The .300 Weatherby Magnum has a longer case length of 2.825" (71.76mm). As with most of the Weatherby line of cartridges, the .270 gained a small but staunch following which has ...Yes, the larger, faster, more powerful Weatherby Magnum beat the .300 Winchester to the magnum punch by a solid 19 years. But, ... READ NEXT: Best .300 Win. Mag. Ammo. Virtually any retail store selling ammunition will carry both .308 Win. and .300 Win. Mag., but a 20-round box of .308 will run $15 for the cheap stuff to maybe $59 for …Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. As a young wildcatter, he revolutionized the industry with his fast, hard-hitting loads that were dead-on accurate. Today, those same performance qualities are every bit a part of Weatherby cartridges. Weatherby's move to Wyoming is an exciting step towards the continual opportunityThe 6.5-300 Weatherby Magnum is flanked by the .257 Weatherby Magnum (left) and the .270 Weatherby Magnum (right). The .257 and .270 Weatherbys …Weatherby Mark V action. Stainless with graphite black Cerakote. Raised Monte Carlo fiberglass stock. ... Rebated Precision Magnum An ideal backcountry large game chambering, field testing of the 338 RPM has shown it to be a sledgehammer on North America’s biggest game, including elk, bear and moose. ... 300 yards. 400 yards. 500 …Weatherby Select 300 Weatherby Magnum 165gr Hornady Interlock Rifle Ammo - 20 Rounds. $68.99 ($3.45/round) Compare. Sale! Weatherby offers the 6.5-300 Magnum only in rifles using their Mark V action, which is known for its smoothness and great strength. Weatherby 6.5-300 Mark V rifles come with the famous Weatherby style Monte Carlo stock and a 26", 1-8" RH twist barrel. (Except for the 6.75 pound Ultra Lightweight, which is supplied with a 28" barrel.) The 6.5-300 Weatherby Magnum is a 6.5mm cartridge created by Weatherby in 2016 as its own rendition to the ever-growing 6.5mm long range rifle market. Background As what ... When bullets with high ballistic coefficients are used, trajectories are extremely flat, ...Weatherby Select Ammunition 300 Weatherby Magnum 180 Grain Hornady Interlock Box of 20. Product #: 745058. Manufacturer #: H300180IL. UPC #: 747115437542. ( 39) Write a Review Q&A (3) Our Price: $69.99.You do need to know the muzzle velocity and the ballistic co-efficient of the bullet. You can use published data from Weatherby for velocity, ...Governments around the world have committed to buying hundreds of millions of doses of AZD1222....AZN Oh. My. God. Once again I am forced to quote John Hillerman's legendary character Jonathan Quayle Higgins from Magnum P.I. In this case I ....300 Weatherby Magnum - Published Manufacturer Loading Data Shellholders: Hornady #5. Lee #5. Lyman #13 ... Ramshot Magnum. VihtaVuori N160. VihtaVuori N165. VihtaVuori N170. VihtaVuori N560. ... Ballistic Tip (NOS) Diameter: Powder: N160 (VihtaVuori) Primer: Large Rifle Magnum Case: ...In non-Superformance loads, the .300 Wby. Mag. still outperforms the .300 Win. Mag. slightly, but bests the .30-06 Springfield by a lot. According to SAAMI, when …Norma Oryx bullets were specifically designed to ensure perfect mushrooming at all impact velocities. To achieve this, these bullets possess a thin forward jacket with internal splitting zones. The bonding and thicker rear jacket aids in greater weight retention and deeper penetration. Norma's bonding process results in an inseparable core and ...May 9, 2019 · Launching a 180-grain bullet to 2,925 fps, the .300 H&H betters the velocity of the .30-06 by more than 200 fps. It has the same 2.85-inch case as the .375 H&H, requiring a magnum-length action, but it also has plenty of case capacity. At the time of its release, the .300 H&H represented the highest velocity attainable by a factory loaded .30 ... When you assume a mortgage, you take over the homeowner's mortgage from the current lender at the homeowner's existing interest rate. Assumable mortgages are attractive if the current interest rates are higher than the rates in the assumabl...The 300 Weatherby Magnum started the move to ultra-velocity ammunition. ... This single piece of technology helps big-cartridge hunters simplify ballistic calculations on longer ranges. Verdict on the Leupold VX-6HD 4-24x52mm (34mm): This is a quality scope with excellent optics. Technology abounds from the objective lens to its ocular assembly.Product Details. Always loaded to precise standards, Weatherby® Rifle Ammo is enhanced with the supreme on-game performance of bullets from the top manufacturers in the industry. Features Norma brass, Norma powders and custom primers for the utmost consistency. Per 20.Mid weight loads from Weatherby include the 165 grain Ballistic SilverTip at 3500fps and the 165 grain TSX at 3450fps. The BST bullet deign is best suited to body weights between 80-120kg ... For further exploration of projectile performance as velocities reduce over range, the .300 Winchester Magnum text serves as a base reference.The following ammunition cartridge ballistics information and chart can be used to approximately compare .30-06 Springfield vs .300 Weatherby Magnum ammo rounds. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weAs illustrated in the chart, .300 Weatherby Magnum rounds - on average - achieve a velocity of about 3230 feet per second (fps) while .300 Winchester Magnum rounds …Harrisburg, PA. Nov 28, 2013. #4. The 7-300 Wby followed the 6.5 Wby when long range hunting was born here in PA. One of the leading long range custom rifle builders was Howard Wolfe, and he specialized in chambering the 7-300 Wby. The simple solution is to take 300 Wby brass, neck it down to 7mm and be done. No fire forming is needed, and …As of 2014, a Smith & Wesson .357 Magnum ranges in price from $1,079 to $1,559, depending on the model of the revolver. The most expensive magnum is the Model 627 V-Comp, and the cheapest is Model 627.300 WBY Mag Web Data (2.26.2021) .xlsx Author: carterc1 Created Date: 3/4/2021 10:07:40 AM ...Brought to market by Roy Weatherby in 1945 the 300 WBY was said to be 50 years ahead of its time. The 300 WBY is an ultra versatile 30 caliber option that is great for a variety of hunting situations. CARTRIDGE SPECS. Bullet Diameter: .308 (7.8mm) Common Reference: .30 Caliber Max Case Length: 2.825” Developed: 1944 Production Start: 1945 ...Weatherby Select Plus 6.5-300 Weatherby Magnum 140gr VLD Rifle Ammo - 20 Rounds. $64.97 ($3.25/round) Out of Stock. Compare Compare Now. 5.0 out of 5 star rating (1) Weatherby Select Plus 6.5-300 Weatherby Magnum 140gr Accubond Rifle Ammo - …300 Weatherby Ammo. You have no items to compare. Purchase your 300 Weatherby ammo at Ammunition Depot today! Our online inventory of 300 Weatherby Mag is available from the top manufacturers you trust.Launching a 180-grain bullet to 2,925 fps, the .300 H&H betters the velocity of the .30-06 by more than 200 fps. It has the same 2.85-inch case as the .375 H&H, requiring a magnum-length action, but it also has plenty of case capacity. At the time of its release, the .300 H&H represented the highest velocity attainable by a factory loaded .30 ...Weatherby introduced their new 6.5-300 Magnum cartridge, the biggest and fastest 6.5mm commercial cartridge in the world, in 2016. The parent .300 Weatherby case is based on …Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading. Occasionally, we will temporarily publish load data on this page when a bullet becomes available and is not yet listed in the latest edition of the handbook. 6.5 Creedmoor 130gr CX [PDF] 6.5 PRC 130gr CX [PDF] 6.5mm-284 Norma 130gr CX [PDF]Reloading data for 300 Weatherby Magnum. Bullet: Nosler Partition 150 gr: Bullet weight: 9.7 g / 150 gr: B.C: 0.387: C.O.L: ... Norma Ballistics – Settings and handlingThe .300 Weatherby Magnum is a .30 caliber rifle cartridge created by Roy Weatherby in 1944 and produced by Weatherby. It has become the most popular of all the Weatherby …Weatherby announced the 6.5-300 Weatherby Magnum cartridge in 2015 for its Mark V rifle. 6.5-300 WEATHERBY MAGNUM. With new powders and a wide selection of new hunting bullets, ... These impressive ballistics, along with low-drag bullets, results in an unusually flat trajectory. It is the fastest commercially available,.30-378 Weatherby Magnum Minimum Maximum Bullet Weight: 150 gr Case Trim Length: 2.903" S.D. 0.226 Bullet Style: TSX BT Primer: Fed GM215M B.C. 0.369 ... Magnum 107.5 3362 114.0 3530 91 ♦RL 25 104.0 3331 111.0 3558 95 Minimum Maximum.30-378 Weatherby Magnum Bullet Weight: ...300 WSM 300 WEATHERBY MAGNUM 300 REMINGTON ULTRA MAGNUM (NEW).310. 7.62X39 16.5″ BARREL 7.62X39 20″ BARREL.323. 8X57 MM MAUSER 8MM REMINGTON MAGNUM MAGNUM 325 WINCHESTER SHORT MAGNUM ... if not better than match-grade bullets. A number of shooting schools use Vor-tx and Vor-tx LR ammunition …Weatherby Select 300 Wby Mag 180 Grain Hornady Interlock (20 Rounds) $109.99. $5.50. buy from Triggers & Bows. Weatherby 300 WBY MAG, 180 Gr Swift Scirocco, Box Of 20. $154.95. $7.75. buy from The Ammo Source. 300 WBY 180 gr sp. For those looking to up their game and take on even bigger game, the 300 Weatherby Magnum is the perfect choice. Ballistics – Uncovering The Facts Of The 300 Weatherby Magnum’S Performance. The 300 Weatherby Magnum is one of the most powerful and accurate cartridges available, and its performance is the stuff of legends.Armscor Precision Inc FAC300WBY180 Rifle 300 Wthby Mag 180 Gr AccuBond 20 Bx/ 8 Cs. $ 79.99. Buy Now. .300 Weatherby Magnum Ammo, Rifle Ammo. Hsm Ammunition Hsm Ammo .300 Wby Mag 150gr. Sbt Sierra Game King 20-pack. $ 83.99. Buy Now. .300 Weatherby Magnum Ammo, Rifle Ammo. Find the best 300 Weatherby ammunition for your hunting and long-range shooting needs. Our selection offers top-quality options for precision and power. ... .300 Weatherby Magnum 185 grain Berger VLD-Hunting~ Roy Weatherby already had experience with other custom cartridges such as his own .270 Weatherby Magnum when he created the …Hornady Ammunition Hornady Custom 30-378 Weatherby Magnum Ammo 180 Grain Gliding Metal Expanding. Free Shipping Eligible! $59.99. $3.000 Per Round. Rating (s) (1) Notify. 300 Weatherby Magnum ammo for sale at Target Sports USA. Enjoy free shipping on bulk 300 Weatherby Magnum ammunition for sale online.300 Weatherby Mag 200 gr ELD-X® Precision Hunter®. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. Great care has been given by Hornady engineers to develop superior, match­-accurate hunting loads that allow the ELD­-X ® bullet to achieve its maximum ballistic potential.Governments around the world have committed to buying hundreds of millions of doses of AZD1222....AZN Oh. My. God. Once again I am forced to quote John Hillerman's legendary character Jonathan Quayle Higgins from Magnum P.I. In this case I ...When sighted in at 200 yards and using 180-grain bullets from each, you’ll notice more drop and less energy from the Winchester cartridge than the Weatherby cartridge once you get out to longer distances. The .300 Win Mag will drop 19.3 inches at 400 yards, which is just shy of four inches more than the .300 Weatherby’s 15.6-inch drop.300 WBY MAG Hammer Bullet. By Chris Botkins on May 17, 2022. Previous.The 7mm-08 Remington’s recoil produces 14.88 ft-lbs of energy at a velocity of 10.68 fps. Because of its mild recoil, it is often recommended as a good hunting cartridge for youth and small-framed shooters. The 7mm Remington Mag generates significant recoil of 22.15 ft-lbs at 13.32 fps.Weatherby announced the 6.5-300 Weatherby Magnum cartridge in 2015 for its Mark V rifle. 6.5-300 WEATHERBY MAGNUM. With new powders and a wide selection of new hunting bullets, ... These impressive ballistics, along with low-drag bullets, results in an unusually flat trajectory. It is the fastest commercially available,Weatherby offers 165 grain Hornady Interlock and Nosler Ballistic Tip bullets at a MV's of 3390 fps and 3350 fps respectively. Unlike the lesser .300 Magnums, the .300 Wby. is a true ultra-long range caliber when used with bullets of 150-165 grains. The popular 180 grain weight is represented by Hornady Interlock, Nosler Ballistic Tip, Barnes X ...Description: The 6.5-300 Weatherby Magnum is the newest in the game. Compare this speed demon to any other 6.5 and you will see, as advertised by Weatherby, that “No 6.5 has ever gone faster!”. In a 10 mph cross …INDEX/ WT BALLISTIC EDI NO. (GR) MUZZLE 100yd200yd 300yd 400yd 500yd MUZZLE 100yd 200yd 300yd 400yd 500yd MUZZLE 100yd 200yd 300yd 400yd 500yd COEFFICIENT VOR-TX BB23R2 21520 55 TSX FB 1.5 200 3240 2774 2353 1970 1629 1343 1282 940 676 474 324 220 -1.5 1.5 0.0 -7.9 -24.8 -55.0 0.209 24 Barnes ...Ballistics Charts. Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. As a young wildcatter, he revolutionized the industry with his fast, hard-hitting loads that were dead-on accurate. Today, those same performance qualities are every bit a part of Weatherby cartridges. A challenge for these "uprooted, avid travelers, accustomed to exile and a permanent state of inbetweenness." Magnum is a legendary photo agency, synonymous with globe-trotting photojournalists who have documented conflict and cultures arou...The .300 Win Mag remains the most popular .30 caliber magnum with American hunters, despite being not being as fast as more powerful .300 Magnums such as the .300 Weatherby Magnum and .30-378 Weatherby Magnum as well as the newer .300 Remington Ultra Magnum, .300 Norma Magnum, .30 Nosler, and .300 PRC, though all of these must be chambered in a ... 300 acc blackout 30-30 winchester (new!) 308 winchester 7.62x51 18″ barrel 7.62x51 20″ barrel 30-06 springfield 300 prc (new) 30-378 weatherby 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)Due to its longer case length and the difference in placement of the shoulder, the .300 Win Mag does have a slightly greater case capacity than the .338 Win Mag. On the other hand, the .338 Lapua is significantly longer than both Winchester Magnum cartridges. The Lapua cartridge also uses a larger, .588″ rim diameter.Weatherby Select 300 Wby Mag 180 Grain Hornady Interlock (20 Rounds) $109.99. $5.50. buy from Triggers & Bows. Weatherby 300 WBY MAG, 180 Gr Swift Scirocco, Box Of 20. $154.95. $7.75. buy from The Ammo Source. 300 WBY 180 gr sp.Cartridge Overview: Overview Of The Design And Specifications The 300 Weatherby Magnum is one of the most powerful and popular cartridges available on the market today. With its impressive ballistics, it's capable of delivering devastating results at distances of up to 1000 yards.BARNES AMMO 300 WEATHERBY MAG 180gr TTSX-BT 20/bx 10/cs . 1. $67.99. Out of stock. Item #: BA22013 $3.40 per round. Volume Discounts Available . DOUBLETAP AMMO 300 ...11 sept 2018 ... The 6.5-300 Weatherby Magnum is the fastest production 6.5mm available. Combined with high Ballistic Coefficient (BC) projectiles designed ...Nov 5, 2014 · Roy Weatherby initially developed four cartridges in the mid-to-late 1940s. These were the .220 Rocket, based on the .220 Swift case, and the first three of the Weatherby line of magnums, the .257 WM, .270 WM, and .300 WM. Weatherby's brainchild developed a muzzle velocity of over 3500 fps with the 150 grain bullet, almost 3400 fps with the 165 ... .300 Weatherby Magnum 212 grain Hornady ELD-X~ Roy Weatherby already had experience with other custom cartridges such as his own .270 Weatherby Magnum when he created the .300 Weatherby. Like most of his other magnum cartridges, this is based on a blown-out .300 H&H Magnum case, using the signature Weatherby double-radius shoulder.30 sept 2018 ... To reach this speed, Weatherby first made a high volume case by modifying the then popular, belted 300 H&H Magnum. He reduced case length ...Cartridge Overview: Overview Of The Design And Specifications The 300 Weatherby Magnum is one of the most powerful and popular cartridges available on the market today. With its impressive …300 Weatherby Magnum Load Data. NOSLER INC. Explore the world of Nosler, ren, This compares favorably to 150 grain and 180 grain .308″ bullets which have sectional densities of .226 and .271 , Primers are chosen for their ability to quickly and consistently ignite the entire powder charge and a, And here they are: Flattest at 300 yards — 240 Wby. Mag. throwing a 55-gr. bullet. Drops just 11.6 inches. But it’s , Weatherby 300 Weatherby Mag Nosler Ballistic Tip 165GR 20Rds ; Bullet Weight · 165 GR ; Muzzle Energy · , Cartridge Overview: Overview Of The Design And Specifications The 300 Weat, Find what you need in four easy steps. Select your cartridge type from the drop-dow, 11 sept 2018 ... The 6.5-300 Weatherby Magnum is the fastest , Generally, a 300 Win Mag’s 150 grain bullet delivers a 3,260 , Weatherby Select 300 Weatherby Magnum 165gr Hornady I, The difference between 338 Lapua and 300 Win Mag is that the, The fastest, flattest shooting rifles on the market, The .300 Weatherby Magnum is a .30 caliber rifle cartridge created , The 300 Weatherby Magnum is a very powerful cartridge. When lo, The .340 Weatherby Magnum ... If you want factory ammo, try the Fe, Brought to market by Roy Weatherby in 1945 the 300 WB, Product Details. Always loaded to precise standards, Weatherby®, Weatherby Select Plus Ammunition 300 Weatherby Mag.