The .300 Remington Ultra Magnum
The .300 Remington Ultra Magnum, also known as the .300 Ultra Mag, 7.62×72mm or .300 RUM is a 7.62 mm (.308 inch) rifle cartridge introduced by Remington Arms in 1999. The .300 Remington Ultra Magnum is one ofthe largest commercially available .30 caliber...
The .357 Magnum
The .357 Smith & Wesson Magnum, .357 S&W Magnum, .357 Magnum, or 9×33mmR as it is known in unofficial metric designation, is a smokeless powder cartridge with a .357-inch bullet diameter. It was created by Elmer Keith, Phillip B. Sharpe, and Douglas B. Wesson of firearm...
The .22 Hornet
The .22 Hornet or 5.6×35mmR is a varminting, small-game hunting, survival and competition centerfire rifle cartridge commercially introduced in 1930. It is considerably more powerful than the rimfire .22 WMR and the .17 HMR, achieving higher velocity with a bullet twice the...
The .41 Remington Magnum
The .41 Remington Magnum, .41 Magnum, or 10.4×33mmR as it is known in unofficial metric designation, is a center fire firearms cartridge primarily developed for use in large-frame revolvers, introduced in 1964 by the Remington Arms Company, intended for hunting and law...
The .270 Winchester
The .270 Winchester is a rifle cartridge developed by Winchester Repeating Arms Company in 1923 and unveiled in 1925 as a chambering for their bolt-action Model 54. Thecartridge is the same length as the .280 Remington, both of which are longer than the .30-06 Springfield...
The .454 Casull
4 Casull is a firearm cartridge, developed as a wildcat cartridge in 1958 by Dick Casull, Duane Marsh and Jack Fullmer. It was first announced in November 1959 by Guns & Ammo magazine. The basic design was a lengthened and structurally improved .45 Colt case. The .454 Casull...
UPDATE: After getting two additional magazines (both OEM) I did more testing by hand cycling. I tested Magtech, Federal, Blazer and Federal HST. In all 3 magazines the only ammo with feed problems was the Magtech. I inspected the rounds and I believe I’ve identified the problem. The cone of...
.40 has been slipping in popularity with PD’s for the past 5-10 years, and really accelerated when the FBI switched.
What they were finding out is that modern 9mm loads has the pretty much the same expansion and penetration as .40 loads, that “hydrostatic shock” isn’t really a thing, and—this...
I’m a fan ofthecartridge/week thread too. And this one was a good one !
In reading about it - a lot of which I’d heard in various forms in the other past - it reminded of a minor perplexity of mine: in recent years, the .40 SW seems to have lost some traction/attraction... Any particular...
The .40 S&W
The .40 S&W is a rimless pistol cartridge developed jointly by major American firearms manufacturers Smith & Wesson and Winchester. The .40 S&W was developed from the ground up as a law enforcement cartridge designed to duplicate performance ofthe Federal Bureau of Investigation's...
I just picked up my Ronin 10mm last week. I am having similar issues where thecartridge is not feeding into chamber properly and I have to push up on the back ofthe round to chamber and then it comes back out. I've tried 3 different brass cased ammo (Magtech, Federal and Blazer) and they all...
The .30 Cabine
The .30 Carbine (7.62×33mm) is a rimless carbine cartridge used in the M1 carbine introduced in the 1940s. It is a light rifle round designed to be fired from the M1 carbine's 18-inch barrel. Shortly before World War II, the U.S. Army started a "light rifle" project to provide...
In 1891, Paul Mauser went to Spain after delivering some Model 1889 trial rifles, chambered in 7.65×53 mm Mauser. He brought with him a new cartridge with a slightly smaller diameter bullet and a case that was .134" longer with 5-percent greater case capacity, and a bullet 18-percent less in...
The 6.5x50mm Japanese
The 6.5×50 Japanese Arisaka, 6.5mm Japanese Arisaka, 6.5 Jap, or 6.5x50mmSR Arisaka is a semi-rimmed rifle cartridge with a 6.5 mm (.264) diameter bullet. Historically it has been referred to as the "6.5 Jap". The 6.5x50 Japanese Arisaka naming convention follows common...
The 7mm-08 Remington
The 7mm-08 Remington is a rifle cartridge that is almost a direct copy of a wildcat cartridge developed around 1958 known as the 7mm/308. As these names would suggest, it is the .308 Winchester case necked down to accept 7mm (.284) bullets with a small increase in case...