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1. special-ops.org › heckler-koch-hk91-improvedHeckler & Koch HK91: An improved version of HK81

   special-ops.org › heckler-koch-hk91-improved

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   Jul 23, 2022 · There are four production models of the HK91: HK91A2: Fixed stock and semi-auto “SE” or “0-1” trigger group. HK91A3: Retractable 1-position stock and semi-auto “SE” or “0-1” trigger group. HK91A4: Fixed stock, semi-auto “SE” or “0-1” trigger group, and Select Polygonal Bore.

   • Caliber: 7.62×51mm NATO (.308 Winchester)
   • Type: delayed blowback, selective fire

   • Designed: The 1970s

2. www.northhollywoodshootout.net › rifle3Rifle3 - North Hollywood Shootout

   www.northhollywoodshootout.net › rifle3

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   The HK91 is a firearm originally built in West Germany, it is the civilian counterpart to its military cousin the H&K G3. Like the Norinco Type 56 S it was built to look like its military cousin yet is restricted to operate only in semi-automatic mode.

3. www.nramuseum.org › the-museum › the-galleriesHeckler & Koch Model 91 Semi Automatic Rifle - NRA Museum

   www.nramuseum.org › the-museum › the-galleries

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   Heckler & Koch Model 91 Semi Automatic Rifle. The HK-91 is a semi-automatic civilian version of Germany's main battle rifle, the G3. Like its military counterpart, the HK-91 features a fluted chamber to aid in cartridge obturation during firing. SN A017895.

4. cdn.preterhuman.net › texts › wars_and_weaponsHECKLER & KOCH MODEL 91 & 93 - preterhuman.net

   cdn.preterhuman.net › texts › wars_and_weapons

   The latest military model from H & K features four notches, one of which is the three round burst setting that permits only three shots to be fired when the trigger is held back. Both the H & K 91 and 93 have only two index settings. The settings are “SAFE” and “FIRE,” and function solely in the semi-automatic mode.

5. shootingsavvy.com › favorite-hk-91-clone-the-ptrFavorite H&K 91 clone: The PTR Hunter .308 - ShootingSavvy.com

   shootingsavvy.com › favorite-hk-91-clone-the-ptr

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   Originally a copy of Heckler & Koch’s Model 91 rifle, the original PTR-91 was an exact copy, less the evil assault rifle restrictions. The later PTR Hunter .308 is the next generation H&K 91 clone that’s ready for the woods. My knowledge of the PTR-91 predates the company’s first rifle.

6. gunpowdermagazine.com › history-lesson-hecklerHistory Lesson: Heckler & Koch G3/HK91 - Gunpowder Magazine

   gunpowdermagazine.com › history-lesson-heckler

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   Jan 7, 2020 · The G3 and its semi-automatic version, the HK 91, are made primarily with plastic furniture, stamped receivers, a hammer forged barrel, and use the Roller-Delayed Blowback operating system. Initial production models had a problem with fired cases sticking in the chamber.

7. www.bradfordsauction.com › auction-lot › rare-preRARE PRE-BAN HECKLER & KOCH HK91 SEMI-AUTO .308 WIN RIFLE

   www.bradfordsauction.com › auction-lot › rare-pre

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   Jan 2, 2022 · Rare Pre-Ban Heckler & Koch Model 91 Semi-Auto .308 cal Rifle. Manufactured in Germany in 1980 with a post front sight and four position rear drum sight. Standard length barrel with birdcage flash hider.