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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HK91, G3 SEF Navy Style Trigger Housing - Push Pin - USED
H&K Heckler & Koch
$29.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED This grip housing comes in black polymer. Accepts standard SEF or 0,1 style trigger packs & SEF longer axled selector levers. This is truly an affordable upgrade for your...HKP-17354$29.95 -
HK Semi Auto Shelf for Receiver - Billeted
HKP HK Parts
$17.95HKP Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the use of...HKP-21470$17.95 -
HK MP5, HK33 HK53, HK93 Paddle Mag Release Bushing - Full Auto
H&K Heckler & Koch
$6.95Heckler and Koch New Full Auto Paddle Magazine Release Bushing for HK MP5 and HK90 New HK German paddle magazine release bushing for all 90 series HK weapon systems. Used for installing a paddle mag release. Please Note: This is NOT for use on...HKP-00847$6.95 -
HK90 Series Trigger and Catch Axle
H&K Heckler & Koch
$1.99HK Sear & Trigger Axle For 90 Series- Used Surplus Condition HK German used sear and trigger axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .197 inches (5.0mm). A great spare and must have spare part for anyone...HKP-15459$1.99 -
HK Picatinny Rail For HK Receivers - 17 Slot
HKP HK Parts
$69.95HKP Picatinny Rail For HK Receivers - 17 Slot Mil-Spec all steel Picatinny rail in the white. Relief cut for HK receivers and made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...HKP-01446$69.95 -
HK MP5, HK90 Series Magazine Catch Roll Pin - Push Button
H&K Heckler & Koch
$4.95Heckler and Koch Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: MP5, SP5 MP5K, SP5K SP89, HK94 HK91, G3, PTR HK33, HK53,...HKP-01918$4.95 -
Out Of Stock
HK Recoil Rod Guide Ring For Recoil Rod Assemblies
H&K Heckler & Koch
$7.99HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible With: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.HKP-00143$7.99 -
HK Standard Buttstock Buttpad - OD Green - Surplus
H&K Heckler & Koch
$2.95H&K Standard Stock Buttpad - OD Green - Surplus HK German manufactured surplus A2 style stock buttpad in dark OD green. Used in fair condition. Compatible With: G3 & HK91HKP-17364$2.95 -
HK33, HK53, HK93, HK91, G3 Bolt Carrier Tool - Assembly and Disassembly
HKP HK Parts
$19.87HK Bolt Carrier Assembly & Disassembly Tool This tool is one of the best items you can buy if you are new to HK and plan on taking apart your bolt group for cleaning or maintenance. A must-have for all HK collectors and shooters. This is the original...HKP-00785$19.87 -
HK SEF Long Axle Selector Lever - LIKE NEW
H&K Heckler & Koch
$32.95H&K SEF Long Axle Selector Lever Like new - Polymer Housing Sorted to provide the best looking selector levers for your build. Some will have some signs of installation and usage but a overall a like new selector. If you have a polymer SEF housing...HKP-21338$32.95 -
Receiver Shelf - Semi Auto - Billeted
$19.95Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...HKP-01521$19.95 -
HK90 Series Cocking Tube End Cap - Steel
HKP HK Parts
$19.95Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight towerHKP-17580$19.95