HK91 / G3 / HK51 Series
Discover the ultimate collection of parts for your HK G3 and HK 91, designed to enhance precision, reliability, and performance. Featuring G3 Stocks for improved ergonomics, 91 Barrels for superior accuracy, and G3 Triggers for enhanced responsiveness. Our selection also includes 91 Handguards for advanced protection and control, G3 Forearms for optimal handling, and detailed Parts Kits to fully equip your firearm for any scenario. Each component is engineered for flawless compatibility with your HK G3 or HK 91, ensuring your rifle meets the highest standards of operation and craftsmanship.
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Out Of Stock
Bolt Head Locking Roller -4, 7.96mm
HKP HK Parts
$8.95HKP HK Parts -4 7.96mm Undersized Roller HK spec under-sized roller that will fit all HK bolt heads including HK91, G3, HK33, HK53, HK93, HK94, MP5, SP89 all clones and the Cetme and its clones. An easy way to remember the size you need to order: Plus...HKP-17558$8.95 -
HK91, G3 Extractor - MKE
MKE
$9.95MKE HK91, G3, PTR Extractor Turkish .308 extractor for HK G3, HK91, PTR, and other G3-pattern rifles. Genuine MKE replacement extractor manufactured from steel for replacing worn, damaged, or broken extractors. Compatible With: HK91,...HKP-22883$9.95 -
HK91, G3 Bolt Carrier - .22 LR Conversion - Excellent
H&K Heckler & Koch
$473.95Heckler and Koch German Steel .22 LR Conversion Bolt Carrier for HK91, G3 - Used - Excellent Genuine German HK steel bolt carrier for G3 .22 LR conversion setups. Designed for use in converting compatible G3 pattern rifles to .22 LR with the proper...HKP-22856$473.95 -
On Sale
HK German Bayonet Adapter Without Hardware - Incomplete - USED
H&K Heckler & Koch
Now: $74.96Was: $159.95HK German Bayonet Adapter Without Hardware - Incomplete - USED SOLD INDIVIDUALLY - VARYING CONDITION SHOWN INCOMPLETE USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. HK German Bayonet...HKP-00021-BNow: $74.96Was: $159.95 -
HK91, G3 Sling Button
H&K Heckler & Koch
$9.95Heckler and Koch Sling Button Stud for HK91 and G3 Heckler and Koch sling button stud for HK91 and G3 rifles. A factory-style replacement part for restoring or maintaining the sling attachment point on compatible HK pattern rifles. Compatible...HKP-99475$9.95 -
On Sale
HK91, G3 Magazine Floorplate - 7.62x51 / .308
H&K Heckler & Koch
Now: $14.96Was: $29.95Magazine Floorplate for HK91, G3 - 7.62x51 / .308 Magazine floorplate for HK91 and G3 7.62x51 / .308 magazines. A factory replacement part for restoring or maintaining compatible magazine assemblies. Compatible With: HK91, G3 THIS...HKP-99477Now: $14.96Was: $29.95 -
On Sale
HK91, G3 Bolt Group - Complete - Semi-Auto - USED
H&K Heckler & Koch
Now: $559.95Was: $849.95Heckler and Koch Complete Semi-Auto Bolt Group for HK91, G3 - USED ONLY 1 UNIT AVAILABLE - AS PICTURED Complete factory German semi-automatic bolt group manufactured by Heckler and Koch for HK91 and G3 pattern rifles. Intended for replacement, reference,...HKP-99389Now: $559.95Was: $849.95 -
HK91, G3, PTR Magazine Spring - 5 Round
H&K Heckler & Koch
$22.95H&K 91/G3/MSG90 5 Round Magazine Spring This factory HK spring is designed for the 5-round HK91, G3, and MSG90 magazines. Built for durability and reliable feeding, it's an essential replacement part to keep your magazine in top condition. Compatible...HKP-21827$22.95 -
G3 Backplate, Incomplete
H&K Heckler & Koch
$29.95G3 Incomplete Backplate Factory German G3 refinished backplate. This backplate was fully reconditioned and Parkerized for a factory look. A great replacement or spare to have around to replace your broken or worn out backplates. Don't forget to get a new...HKP-20859$29.95 -
Out Of Stock
HK MP5, SP5, HK33, HK93, HK91, G3 Housing - Ambi - Unmarked - 9mm, 5.56 / .223, 7.62 / .308
H&K Heckler & Koch
$0.00H&K MP5/SP5, 93/33, G3/91 (9mm, 5.56/.223, 7.62/.308) Unmarked Ambidextrous Housing - Universal This unmarked universal ambidextrous lower housing is designed for use with ambidextrous trigger packs, offering versatility across multiple H&K...HKP-19854$0.00 -
Out Of Stock
HK91. G3 F/A Complete Bolt Group
H&K Heckler & Koch
$0.00German G3, 91 F/A Bolt Group CompleteEach Bolt group includes the following factory HK parts: Complete Bolt Head Assembled (extractor, extractor spring, roller retainer plate and rollers) >Firing pin >Firing pin spring >HK91/G3 locking piece...HKP-19671$0.00 -
Out Of Stock
HK91, G3, HK33, HK93 Carry Handle - New Old Stock
H&K Heckler & Koch
$0.00HK German Carry Handle for HK91, G3, HK93, & HK33 Weapon Systems - New Old Stock HK German new old stock condition. The carry handle installs by sliding the carry handle over the cocking tube to make contact with the trunnion. This can be installed...HKP-19551$0.00