cartridge. Both the Weatherby and Browning devices mentioned above are removable. Read More . Expedition Big Game", "WINCHESTER BALLISTIC SILVERTIP RIFLE AMMUNITION", "The 338 Winchester Magnum: King Of The Elk Cartridges", https://en.wikipedia.org/w/index.php?title=.338_Winchester_Magnum&oldid=949279207, Creative Commons Attribution-ShareAlike License, This page was last edited on 5 April 2020, at 15:50. Such brakes avoid the added length and the slight bulge at the end of the barrel of a screw-on muzzle brake. This chambering left little doubt that the cartridge was intended for big heavy dangerous game. Mag. Expedition Big Game", "30-06 Springfield 180 gr. Do you want to test before installation on your rifle ? This means, for example, that the recoil of a BOSS muzzle brake equipped .338 Mag. The best answer to the muzzle brake question is simply to avoid calibers that generate more recoil than you can comfortably tolerate. The increase in muzzle blast with these devices can be literally deafening, even for shooters wearing hearing protection. When the Weatherby Accubrake is unscrewed from the muzzle, a cover ring is screwed on to protect the threads. SAAMI pressure level is 64,000 psi. Magnum Slimline Muzzle Brake These muzzle brakes reduce recoil level approximately 42-45% and eliminate muzzle rise on chamberings up to 300 Win. Sako Finnbear .338 Win. Instead of a .264 Win. In European rifle makers Blaser, Mauser, Sako and Tikka also manufacture rifles for this cartridge. A hunter must really want to shoot an elk at 800 yards to consider anything above the.338 Win. According to our customers, we are ”The most effective muzzle brake available“. These devices reduced recoil by an average of 42.86%. The 185 gr. rifle feels subjectively about like the recoil of a similar 7mm Magnum rifle without the BOSS device (or with a BOSS-CR). Results for 308 Win and 300 Norma Mag: Recoil results for the mid-sized 30 caliber and large magnum 300 rifles. Figures would be higher if shot from a 27.5" test barrel but still over 150fps slower than a 338 Lapua if tested with the same length barrel. Understanding what new or used items might be available could help you find the compatible part for your firearm. That’s why most .338 Lapua rifles are pretty heavy and incorporate other recoil reducing features like a muzzle brake. [5][6] The cartridge was intended for larger North American big-game species and has found use as for the hunting of thin-skinned African plains-game species.[1]. That way it can be used to save the shooter's shoulder when shooting at the range, and removed to help save the shooter's hearing during the hunt. Mag, the “softest” here, slaps the shooter as hard as a.375 H&H Magnum, while the.338-378 and.338 Lapua are close to.416 Rigby territory. It has also been found to be effective against the big cats where hunting allows for the use of the cartridge. Magnum rifles are generally good candidates for a muzzle brake. (on parts and labor.) Game Class vs 6 inch Maximum Point Blank Range. 10 years warranty for the first buyer. Newton's law says (to paraphrase) that for every action there must be an equal and opposite reaction. The large number of rifle choices available in the .338 Winchester Magnum offers the rifleman a greater choice in available rifles. Bullets are available in a very wide range of designs and weights ranging from 150[9] to 300 grains. 4,461 Posts #2 • Aug 12, 2005. VIEW DETAILS 127-SL2 Magnum Slimline Brake Blue Installed Read More. It is often carried by fishermen, hunters and guides in Alaska and Canada for protection as encounters with these larger bear species can be common. I suggest the muzzle brake to anyone with a high powered magnum rifle. The use of .333 in (8.5 mm) bullets may seem odd today but at the time this was the standard diameter of European .33 caliber bullets which were more common than the .338 in (8.6 mm) diameter bullets used in cartridges such as the .33 Winchester. Mag-na-port International claims recoil reduction of up to 45% for their Mag-na-brake. Quick change foot adapters for your bipod! These rounds do have one mission they are ideal for, though: Alaskan brown bears. When the cartridge was introduced, Winchester offered a 200 gr (13 g) at 3,000 ft/s (910 m/s), a 250 gr (16 g) … The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O'Neil, Elmer Keith and Don Hopkins with cartridges firing .333 in (8.5 mm) bullets in the late 1940s. Mag-na-port cuts a total of four slots into the barrel. The widely acclaimed KDF Slim Line muzzle brake is not only the most effective brake on … As a general guide, I would suggest that hunting rifles, especially those that might be used for hunting dangerous game, should never be ported. If the advantage of muzzle brakes is reduced recoil, the disadvantage is increased muzzle blast. All rights reserved. I find that pretty impressive. There is no loss of bullet velocity or change in the rifle's ballistic performance with these muzzle brakes. The muzzle blast from a powerful muzzle brake equipped rifle is so loud that even with hearing protection the shooter risks suffering some permanent hearing damage after a few shots. PodMods. The best candidates for a muzzle brake are obviously hard kicking rifles, particularly high velocity magnums that burn a lot of powder. Remington and Winchester offer four loadings each for the cartridge. Some rifles, such as the gas operated BAR Mark II used for this test, have a reputation as soft shooting guns and seldom require additional recoil reduction. Apart from the larger deer species, the .338 Winchester Magnum is often used for the hunting of and defense against dangerous class 3 game, particularly the great bears including grizzly, polar and brown bears. The .338 Winchester Magnum follows the modern cartridge designs in that the cartridge case features a case with minimal taper so as to maximize case capacity yet providing reliable feeding and extraction. The accuracy tuning function of the BOSS system is thereby retained. Furthermore, the .333 in (8.5 mm) were available in heavier weights than the .338 in (8.6 mm) bullets. Any lightweight magnum rifle could probably benefit from the installation of a muzzle brake. A properly designed muzzle brake can significantly reduce recoil. This is where you will find our full selection of Threaded Muzzle Brakes. vg6 precision. 6.5 Creedmoor 6.5x47 Lapua 6mm Creedmoor 6mm Dasher 6x47 Lapua 6XC 7mm Rem Mag Accuracy International American Precision Arms APA Little Bastard Applied Ballistics Badger Muzzle Brake Berger 105 Hybrid Berger Bullets Bryan Litz Bushnell Elite Tactical Center Shot Rifles CSR Blast Tamer Muzzle Brake Hensoldt Scope Hodgdon Varget Impact Precision JEC Customs JEC Muzzle Brake … The recoil of this caliber is quite heavy, with about 31 ft⋅lbf (42 J) of recoil energy in a 9 lb (4.1 kg) rifle. Mag. mag … Here are the recoil results for the muzzle brakes on our 300 mag: And, ... Recoil results for the mid-sized 6mm and 6.5mm rifles. If a rifle stock fits the shooter well the effect of recoil is minimized. Mag., buy a rifle in .260 Rem. Muzzle brakes are controversial devices, because they offer real advantages and entail real disadvantages. SAAMI and the CIP recommend a 6-groove barrel with a twist rate of one revolution, in a 10 in (250 mm) barrel with a bore Ø of .330 in (8.4 mm) and a groove diameter of Ø of .338 in (8.6 mm), with each groove having a width of .110 in (2.8 mm). When the .338 Winchester was introduced there was a general preference for heavier bullet weights between 250–300 gr (16–19 g). The .338 Winchester Magnum is capable of launching heavier bullets than the .30 caliber (7.62mm) cartridges. or 6.5x55. However, since that time preferred bullet weights have decreased to weights between 200–225 gr (13.0–14.6 g). (It rains a lot in Western Oregon.) Earplugs worn inside of earmuff type hearing protectors are highly recommended when shooting a rifle equipped with a muzzle brake. In other words, the approximately 29.7 ft. lbs. The very best recoil reduction, minimal flash, and faster follow up shots make for the most effective muzzle brake for your rifle; whether you're a hunter, hobbyist, or operator overseas. Read More. From the shooter's perspective, there is a noticeable reduction in recoil with the drilled BOSS muzzle brake in place. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. The higher the momentum of the powder gasses being ejected from the muzzle in relation to the momentum of the bullet, the more effective the muzzle brake can be. Rifles, Bullets, Barrels & Ballistics . The 1929 edition of the same textbook stated, in addition, that recoil velocity should not exceed 15 fps; above that velocity a gun-headache was very likely to occur. 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Rifles for this cartridge the compatible part for your Firearm were available in a few minutes, perfect fitted thanks... 500 meters for sale Powered … i suggest the muzzle blast & weighs 85-115 grams, 2.99-4.05 oz on! Same animals and avoid having to make a choice between being kicked out from under your hat or deafened. This cartridge or being deafened and opposite reaction to 250 gr ( 13.0–14.6 g ) the accuracy tuning function the! Blank range Magnum rifle equipped with a muzzle brake on the planet between 200–225 gr ( 14.6 g SST! Mm ) is the caliber at which medium-bore cartridges are considered to begin enclosed firing... Probably reduced to about 20.8 ft. lbs exceptionally hard on hearing big dangerous! The shooter 's hearing returns, but a certain Amount is permanently lost, and latest! A Pachmayr Decelerator, softens the effect of recoil is minimized, for the.338 Winchester Magnum the... Most of the barrel and closer to the muzzle diameter ) @ 2014fps @ 500 meters from an.308. 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