Galaxy Gear Watch vs HK 417
Galaxy Gear Watch vs HK 417 - Tech Assassin
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The Galaxy Gear is powered by a single-core 800 MHz Exynos system-on-chip, and contains a 320 pixel-wide square-shaped Super AMOLED touchscreen display with a pixel density of 277 PPI. Its band contains a 1.9 megapixel camera with a Back-illuminated sensor, auto-focus, and 720p video recording, along with a speaker and two noise-cancelling microphones. The Galaxy Gear also includes 4 GB of internal memory, 512 MB of RAM, an accelerometer, and a gyroscope. The device contains s 315 mAh battery; the device itself does not contain a charging port and must be placed inside a special Micro USB-equipped charging case, which also contains an NFC chip that is used for the initial setup of the device. The Galaxy Gear is designed to IP55 specifications with dust resistance and protection from short-term exposure to water jets.
To communicate with a host device, the Galaxy Gear uses Bluetooth low energy. As only Android 4.3 and later offer native support for Bluetooth LE, only the Galaxy Note 3 and Galaxy Note 10.1 2014 Edition, the first Samsung devices to ship with 4.3, were supported by the Galaxy Gear on launch. Support for other recent Samsung devices, such as the S4 and Note 2, will be available once the device receives the Android 4.3 update.
The Galaxy Gear uses an Android-based operating system with a minimalistic interface and gesture-based navigation. To pair the Galaxy Gear with a smartphone or tablet as its host device, the NFC tag inside the Gear's charging cradle is used to trigger the installation of the Gear Manager app, which uses Bluetooth to coordinate the pairing process. Gear Manager is primarily used to adjust device settings (such as the clock's color and appearance, and the ordering of apps in its menu) and to install apps via Samsung Apps.
The HK417 is similar in internal design to the HK416, but the receiver and working parts are enlarged to suit the larger 7.62x51mm NATO round. The bolt is a 7-lug rotating type, which sits in a bolt carrier and operates in a forged alloy receiver resembling those of the Stoner-designed AR-10, AR-15 and M16 series weapons. Like the HK416, the HK417 is a gas-operated, with a short-stroke piston design similar to those found G36. The short-stroke piston is more reliable than the original direct impingement operation of the AR-10 and AR-15 designs because, unlike these weapons, it does not vent propellant gases directly into the receiver, which deposits carbon fouling onto the bolt mechanism as well as heating it up; such carbon fouling leads to more malfunctions.
The early prototype HK417 used 20-round magazines from the H&K G3 rifle family, which did not feature a bolt hold-open device. Later prototypes, however, switched to a polymer magazine with bolt hold-open. The magazine resembles an enlarged version of the G36 series transparent magazine, except without the pins for holding more than one magazine together. In addition, a 50-round, low profile drum magazine developed by HK for the HK21E machine gun can be fitted to the HK417 for use in support and sustained fire applications.
The HK417 is currently available with three different barrel lengths (all in 7.62x51mm NATO):
HK417 12" 'Assaulter' Model -- 12" standard barrel
HK417 16" 'Recce' or 'Recon' Model -- 16" standard and accurized barrels
HK417 20" 'Sniper' Model -- 20" accurized barrel
Accurized barrels provide 1 MOA accuracy (with match grade ammunition). A barrel can be changed in under two minutes with simple tools. All HK417 barrels are cold hammer forged and chrome-lined and use a conventional lands and grooves bore profile with a 279.4 mm (1 in 11 in) twist rate. They are designed to function reliably with bullet weights ranging from less than 9.3 to 11.34 g (147 to 175 grains) and are threaded for flash hider, muzzle compensator, and sound suppressor attachment.
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