Kel Tec 57 - "Traditional" is a word rarely applied to the work of George Kellgren. Talented engineer and architect 2019 winner
Winner of the Golden Pioneer Award, Grendel has repeatedly shown outside the box thinking with its designs, from the P10 to the current Kel-Tec line of bullpup rifles and shotguns. Just when you think you know Kellgren and Kel-Tech, they seem to pull something new out of the hat. The Kel-Tec P50, a large-format semi-automatic pistol chambered in the recent 5.7×28 mm FN NATO cartridge, is anything but unusual in both form and function.
Kel Tec 57
Shown here (l. to r.): 9 mm Luger, 5.7x28 mm FN and 5.56 NATO cartridges. Note the minimal shoulder and short overall length of 5.7 mm.
Ruger 5.7 Review
Unlike other current P50 Kel-Tec pistols, the pistol is rooted in early Kellgren designs, specifically those based on the .22 rimfire cartridge. In 1990, Kellgren's Grendel, Inc. introduced the P30, a semiautomatic pistol chambered in .22 WMR that used a 30-round clip magazine. This gave birth to an entire family of 30-round, .22 WMR weapons, including the R31 rifle. It's called the P31, and it's designed to be carried and fired using the chest. In 2011, Kel-Tec updated the P30 concept when it introduced the .22 WMR chambered, 30-round PMR-30, followed by the CMR-30 carbine. This year, Kel-Tec has upgraded the high-velocity .22 game P50, a product that sales director Derek Kellgren calls, "one of our newest firearms." Here's why.
In 1990, the 5.7x28mm was introduced as the proprietary cartridge for Fabrique Nationale's P90 personal defense weapon. It was developed at the request of NATO, which was looking for a cartridge / weapon combination to replace the current 9mm NATO rifles and submachine guns that could defeat soft body armor with armor-piercing ammunition. Eight years later, FN released a semi-automatic pistol, the Five-SevenN, chambered for cartridges. FN began offering civilian five-seven pistols in 2004, and the following year released a semi-automatic, 16"-barreled carbine P90 called the PS90, but it would take almost two decades. The 5.7mm cartridge was on the civilian market, and this began with several non-FN manufacturers introducing their own FN 5.7x28 mm cartridges, including CMMG, Diamondback and MasterPiece Arms, available under Federal's Eagle brand. as well as Speer's Gold Dot line of self-defense.With the new load, the 5.7mm ammunition market has been kicked into high gear for that chambered weapon in its lineup.
The P50 is divided into four main sections for cleaning and maintenance. A release lever on the rear of the grip is pushed down, allowing the receiver to hang from the grip frame (inside) so that the magazine can be installed or removed.
The heart of the P50 is not only the FN P90 cartridge, but also the company's 50-round magazine stand. This polymer magazine accumulates its cartridges in a double column that is fixed to the axis of the weapon. A rotary feed slot converts the circuits directly into the chamber. Magazines can be loaded manually without tools and are transparent, so the user can keep the remaining rounds. A magazine loaded with 50 rounds adds a pound to the overall weight of the P50. Designed to make the FN P90 more compact, the magazine functions similarly to the P50. The pistol holds 50 rounds without the extra width or length required for a standard box or drum magazine. Besides FN, several aftermarket companies make magazines for the P90, including ProMag Industries, and two ProMag magazines are supplied with the P50. Ten and 30 round magazines are available at FN for those living in areas with limited local magazine capacity.
Fn Five Seven
Like the FN P90, the P50 uses an automatic attack action in which the bolt rides on two guide rods that compress a recoil spring as it moves backward. This model consists of a perforated aluminum receiver. The magazine is placed in the rear position of the P90 and the rounds are fed from above. The fire control units are housed in a low polymer housing that uses a grip with the same shape and appearance as other Kel-Tec guns.
The P50 has a slightly smaller profile, weighing in at 3 lbs., ozs., empty, and 2 lbs., ozs. 8, lighter than the FN P90. The front of the trigger guard has a molded grip surface (like a pistol, you can't mount a vertical grip and avoid NFA registration), then a 2.5" Picatinny rail for mounting lights, lasers, and other accessories. A 9" Picatinny rail on top of receiver. There is a distribution. The rail also has an eye opening with an adjustable front bar for lift and an adjustable rear bar for windage. The radius of the open eyes is 13".
The Kel-Tec P50 includes two quick release points, one attached to the pistol and one behind the receiver.
The P50 has two washer mounting points, one on the pistol grip and one on the rear of the receiver, and the pistol comes with a nylon sling and float. Not only for carrying, but it can be used as a shooting aid by pressing its tension to lower the pistol. Unlike the single-point system, the flush points on the top and bottom of the pistol parallel the tension for extra stability, making for a more stable hand-held shooting platform. Even without a sling, a fully loaded P50 is well balanced with a two-handed shooting grip.
Kel Tec Pf 9 Hammer Block
A set of metal sights are built into the Kel-Tec P50 sight rails, consisting of a front sight (compound, arrow) adjustable for elevation and a fixed rear sight (r.) adjustable for windage.
To load the P50, the release lever at the back of the grip is pushed down, allowing the receiver, which consists of the barrel and action, to lock. A loaded magazine is applied to the action, and the receiver is locked (a motion that evokes the fun of closing the top cover when loading a belt-fed weapon). In the shooting grip, the release lever rests on the handgrip like a beavertail, preventing accidental activation. The P50 uses a T-shaped charge carrier that pulls directly from the rear of the receiver. You can hold the P50 close to the body and slide it over the receiver to grab the charging handle's flaps on the top rack that give you a semi-automatic pistol with a slide. The safety lever is located on the top of the right and left grip for easy operation of the thumb, which is connected to the hand charging and releasing lever to provide amphibious operation.
The P50 barrel is threaded 1/2x28 TPI, which allows it to be attached to accessories like the YHM Turbo K suppressor, and the pistol comes with a thread guard (included).
The P50's 9.60" barrel is just shy of the barrel length of FN's P90, meaning the 5.7 mm cartridge delivers nearly the maximum performance originally intended. f.p.s. vs 1,663 f.p.s.) and produces 41 percent more pellet energy. (348 ft.-lbs. vs. 246 ft.-lbs.) compared to the 4.9 in the Ruger-57 we tested last year.” Barrel. The barrel of the P50 is threaded 1/2x28 TPI to accept a muzzle device or control and the pistol is provided with a thread guard.
Review: Kel Tec's Radical P50
The Kel-Tec P50 uses the FN P90/PS90 magazine design, a 50-round box that sits directly on top of the pistol. However, in this case, the cartridges are fed upwards into the chamber.
There is no doubt that many users will use the P50's electronic sight, so we decided to go with the Weaver Classic 2.5-8X handgun scope. Not only does it supplement the P50's hurricane force, but the enlarged sights helped us get more accuracy out of the pistol. Unlike most semi-automatic handguns, the barrel of the P50 is bolted to the receiver, and the scope is also rigidly mounted. Validation is aided by the P50 trigger. After the initial pickup, a bit of creep, it breaks in at 3 pounds, 8 ounces. All of these factors resulted in us shooting groups at 25 yards with an average of 0.75" left. Confidence was 100 percent on the first round, and the pistol handled well with all the ammunition we used.
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