Engineering & Technical Division

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MR762A1

Heckler & Koch's long anticipated MR762A1 rifle (in caliber 7.62 x 51 mm) debuts at SHOT Show 2012, joining the 5.56 mm model (MR556A1) released in 2011. The new MR762A1 rifle is inspired and influenced by recent Heckler & Koch piston driven rifles, including the new HK G28 designated marksman rifle developed for the German military.



A semi-automatic rifle originally developed from the fully automatic HK417, the MR762A1 uses the same HK proprietary gas piston operating system found on current HK rifles and carbines, using a "pusher" rod in place of the gas tube normally found in AR15/M16/M4-style firearms. This method of operation virtually eliminates malfunctions that are common to direct impingement gas systems since hot carbon fouling and waste gases do not enter the receiver area. This is the same key feature critical to the success of the HK416/HK417 rifles used by leading military and law enforcement customers.

The MR762A1 uses many of the same assemblies and accessories that originated on the HK417 including the HK free-floating four-quadrant rail system. This handguard system allows all current accessories, sights, lights, and aimers used on M4/M16-type weapons to be fitted to the MR Series.

The HK rail system can be installed and removed without tools and returns to zero when reinstalled. Like their HK military counterparts, the MR (for Match Rifle) series rifles use barrels produced by Heckler & Koch's famous cold hammer forging process. The highest quality steel is used in this manufacturing process, producing a long-life barrel that provides superior performance with minimal degradation of accuracy and muzzle velocity after prolonged use.

The barrels are manufactured in Germany and finished in the USA. MR762A1 rifles are produced in the USA from a combination of American and German-made components. Suggested retail price on the MR762A1 is $3,995.



HK45 Compact Tactical

The HK45 Compact Tactical builds on the tough, military lineage of the Heckler & Koch HK45 series of handguns to devise the ultimate operator's pistol. The HK45 pistol series (compact and full-size models) were chosen as the first firearms made at HK's American manufacturing facility so it is only fitting that a modified variant would be adopted as the new pistol of a major U.S. special operations unit.



The HK45 Compact Tactical (CT) is the closest a civilian can get to that military pistol. The HK45 CT comes standard with a threaded barrel, 10-round magazine with extended floorplate, and replaceable grip panels to adjust the feel and grip circumference of the pistol to suit individual hand size and shooting preferences.

The HK45 pistol series were originally developed as candidates for the U.S. military's next generation handgun competition so there is little wonder that the HK45 CT is so well-suited for military, law enforcement, and security use. An HK proprietary internal mechanical recoil reduction system reduces the recoil forces effecting the weapon and shooter by as much as 30%, improving shooter control during rapid firing and prolonging component service life. An "O-ring" barrel means better slide-to-barrel lockup and enhanced accuracy.

The HK45 Compact Tactical uses all HK45 magazines, from 10-rounders to the smaller 8-round magazine. A Picatinny MIL-STD-1913 rail for mounting lights and accessories is molded into the polymer frame of the HK45 Compact Tactical.

The HK45CT can also be converted to nine different kinds of trigger firing modes including HK's enhanced double action only "LEM" (Law Enforcement Modification) mode and the "decock only" mode found on its special operations counterpart. Suggested retail price ranges from $1,392 to $1,461 (depending on trigger firing mode selected).




MR556A1 Upper Receiver Kit

The MR556A1 Upper Receiver Kit allows high quality AR-style rifles to be retrofitted to HK's famous pusher rod operating system. An MR556A1 Upper Receiver Kit includes a complete barrel assembly, HK Free Floating Rail System handguard, complete bolt carrier assembly, HK buffer, and HK buffer spring.



The same operating system is used in the combat-proven 5.56 mm HK416 as well as the G36, XM8, HK417, and a variety of other Heckler & Koch arms. The Upper Receiver Kit is designed to be fully interchangeable with all high quality AR-style firearms that use retractable buttstocks and MIL-SPEC buffer tubes. Installation is accomplished by inserting the HK buffer and buffer spring and attaching the HK upper to an AR lower receiver using the standard takedown pins.

The Upper Receiver Kit is the core of the HK 5.56 mm proprietary gas piston operating system. It employs a piston and a solid operating "pusher" rod in place of the gas tube normally found in AR15/M16/M4-style firearms. The HK piston driven operating system virtually eliminates malfunctions that are common to the direct gas impingement system since hot carbon fouling and waste gases do not enter the receiver area. This is the same key feature critical to the success of the HK416 rifles used by leading military and law enforcement customers.



G28 Marksman Rifles

The G28 is the new designated marksman rifle for the German army. Based on the MR308 civilian competition rifle (the European variant of the new MR762A1), the G28 uses the HK417 "envelope" as its design foundation but with several significant differences.



The G28 employs a steel upper receiver, is semi-automatic only, and has a new, high-precision Picatinny-type rail handguard. A new two-stage gas regulator is designed for both suppressed and unsuppressed use. The G28 is equipped with a free-floating, chromed-lined barrel manufactured using HK's legendary cold-hammer forging technology.

Despite its differences from the HK417, the G28 still retains approximately 75% parts compatibility with HK417 models. Available in Standard Configuration and Patrol Configuration (3.5 lb/1.6 kg lighter with a shorter handguard and less powerful 1-8x scope), both G28 variants come standard with adjustable buttstocks. The Standard Configuration buttstock has a movable cheekpiece. Both G28 configurations and special low IR observable green/brown (RAL8000) color finish.

Lighter and shorter conversion kits will also be available to suit different missions and scenarios.
Standard and recommended accessories include Schmidt & Bender telescopic sights (3-20x50 or 1-8x24), red dot sight (Aimpoint Micro T1), a laser light module (Rheinmetall Soldier Electronics LLM01-RAL8000), night sight (Qioptiq Merlin LR), a thermal sight (Insight CNVD-T35), and laser range finders (Jenoptik HLR15 or Vectronix PLRF15). A special Peli (Pelican) transportation case and noiseless carrying sling is also available.

Notable performance features include warranted and repeatable accuracy of 1.5 MOA, high first round hit probability on chest size targets up to 600 meters, and precise suppression fire against man-size targets up to 800 meters.

Currently in operational use in Afghanistan, the G28 is designated as a military/law enforcement firearm and is not available for civilian/commercial sales.




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