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'{{Cleanup|date=July 2008}} {{Infobox Weapon |name=Heckler & Koch HK417 |image=[[Image:Hk417.jpg|300px]] |caption=HK417 'Assaulter' Model with 12" barrel |origin={{flag|Germany}} |type=[[Battle rifle]] <!-- Type selection --> |is_ranged=yes <!-- Service history --> |service= |used_by= See ''[[Heckler & Koch HK417#Users|Users]]'' |wars= <!-- Production history --> |designer=[[Heckler & Koch]] |design_date= |manufacturer=[[Heckler & Koch]] |production_date= |number= |variants= '''Assaulter''' (12" barrel - standard) <br>'''Recce''' (16" barrel - standard and accurized) <br>'''Sniper''' (20" barrel - accurized) <!-- General specifications --> |weight=3.87 kg [8.5 lbs] (12 inch barrel),<br> 4.05 kg [8.9 lbs] (16 inch barrel),<br> 4.23kg [9.3lbs] (20 inch barrel) |length= 805 / 885 [[1 E-3 m|mm]] (12" barrel, stock collapsed/extended), <br>905 / 985 mm (16" barrel, stock collapsed/extended), <br>1005 / 1085 mm (20" barrel, stock collapsed/extended) |part_length= 305 mm (12 in) standard<br>406 mm (16 in) standard<br>406 mm (16 in) accurized<br>508 mm (20 in) accurized |crew= <!-- Ranged weapon specifications --> |cartridge=[[7.62x51mm NATO]] |action= [[Gas-operated]], [[rotating bolt]] |rate= |rate= 600 rounds/min |velocity= 709 m/s (12 in) <br> 750 m/s (16 in) <br> 789 m/s (20 in) |range= |max_range= |feed= 10 or 20 round detachable box [[Magazine (firearm)|magazine]] Optional 50 round drum magazine |sights=accessory diopter/rotary or optics }} The '''HK417''' is a [[battle rifle]] designed and manufactured in [[Germany]] by [[Heckler & Koch]]. It is a gas-operated, selective fire rifle with a rotating bolt and is essentially an enlarged [[HK416]]. Chambered for the [[7.62x51mm NATO]] ([[.308 Winchester]]) round, it is intended for use as a [[designated marksman]] rifle, and in other roles where the greater penetrative power and range of the 7.62mm round are required. It has been adopted for limited service by a number of armed forces, special forces and police organisations. ==Design Details== The HK417 is similar in internal design to the [[HK416]], but the receiver and working parts are enlarged to suit the larger 7.62mm 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 [[M-16]] series weapons. Like the [[HK416]], the HK417 is a gas-operated, with a short-stroke piston design similar to those found in the [[HK416]], [[G36]] and ArmaLite [[AR-18]]. The short-stroke piston is claimed to be 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 (firearms)|receiver]], which is thought to deposit carbon fouling onto the bolt mechanism and induce malfunctions.<ref>[http://www.armytimes.com/news/2007/12/army_carbine_dusttest_071217/ Newer carbines outperform M4 in dust test]</ref> The early prototype HK417 used 20-round magazines from the [[Heckler & Koch G3|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 [[Heckler & Koch G36|G36 series]] transparent magazine, except without the pins for holding more than one magazine together. In addition, a well proven 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. ==Role== The HK417 is designed more for use as a "[[designated marksman]]" rifle than an [[assault rifle]], with its increased cost, accuracy, penetrative power and effective range weighed against decreased rate of fire and magazine capacity (although fully automatic fire is selectable). The HK417 is currently only available to government and military organizations. ==Variants== 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 [[Minute of arc|MOA]] accuracy (with match grade ammunition). The barrels are able to be changed in under two minutes with simple tools. All HK417 barrels are cold hammer forged and chrome-lined and utilize a conventional lands and grooves [[rifling|bore profile]] with a 279.4&nbsp;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]]s, [[muzzle compensator]]s, and for sound [[suppressor]] attachment.<ref>[http://photos.imageevent.com/smglee/cltactical/HK%20Military%20LE%20Catalog.pdf 2008 Heckler & Koch Military and LE brochure]</ref> ==Related development== The [[HK416]] is a smaller version of the HK417 chambered for the [[5.56x45mm NATO]] round. The HK416 is designed for military and law enforcement use. A civilian variant of the HK416 was announced in 2007 known as the [[MR556]]. It is a semi-automatic rifle with several sporterized features. It is slated to be released in late 2009. A similar sporting variant of the HK417 is also under development, designated MR762.<ref>[http://www.hkpro.com/mr223.htm HK MR-223 and MR-308 rifles for the European market]</ref><ref>[http://www.hkpro.com/documents/HK-MR-RIFLES-011409.pdf HK MR-556 and MR-762 rifles for the American market]</ref> ==Users== <!--READ FIRST: This section is for cited entries only. Please do not add entries into this list without a citation from a reliable source. All entries without a citation will be removed. Thank you.--> *{{ALB}} - The [[Albanian Army]] [[RENEA]] has recently bought a number of HK417s, in use as designated marksman with [[Schmidt & Bender]] riflescope, for Special Forces.<ref>[http://www.youtube.com/watch?v=pomD16sAV5s]</ref> *{{NED}} - The [[Netherlands Army]] [[Korps Commandotroepen]] has acquired a number of HK417s and will mainly use them as [[designated marksman]] rifles.<ref>[http://www.militaryphotos.net/forums/showthread.php?76503-Dutch-military-pictures/page606 Dutch military pictures - Page 606 - Military Photos]</ref> *{{NOR}} - The [[Norwegian Army]] has recently bought a number of the HK417<ref>Offisersbladet nr. 3, May 2007: ''Heckler & Koch 416: Vårt nye håndvåpen''</ref> and will mainly use it as a [[marksman]] rifle.<ref>[http://www.mil.no/hv/start/article.jhtml?articleID=140199 Forsvarsnett: Fagkurs I, Skarpskytter]</ref> *{{POR}} - The Portuguese GNR (COE) special forces and Portuguese Army have bought a limited number of HK417 to be used as a designated marksman rifle.[http://www.operacional.pt/hk-417-calibre-762x51mm-nato/] *{{UK}} - The British [[Royal Marines]] have purchased a number of HK417 to use as on a trial with [[3 Commando Brigade]] as designated marksman rifles. It is also reported to have been used by [[United Kingdom Special Forces|Special Forces]] operatives.<ref>[http://www.telegraph.co.uk/news/newstopics/onthefrontline/5651453/SAS-parachuted-in-to-Baghdad.html SAS parachuted in to Baghdad].</ref> ==References== {{reflist}} ==External links== *[http://photos.imageevent.com/smglee/cltactical/HK%20Military%20LE%20Catalog.pdf 2008 Heckler & Koch Military and LE brochure] *[http://www.heckler-koch.de/HKWebText/detailProd/1928/345/4/19 Official page] *[http://www.hkpro.com/hk417.htm HKPRO page on HK417] *[http://world.guns.ru/assault/as89-e.htm Heckler & Koch HK417 assault rifle at the Modern Firearms & Ammunition site] {{AR-15 variants}} {{DEFAULTSORT:Heckler & Koch Hk417}} [[Category:7.62 mm firearms]] [[Category:Battle rifles]] [[Category:Heckler & Koch|417]] [[Category:Modern German weapons]] [[de:HK417]] [[fr:HK 417]] [[ko:HK417]] [[nl:HK 417]] [[no:Heckler & Koch HK417]] [[pl:Karabin HK417]] [[tr:Heckler and Koch HK417]] [[zh:HK417]]'