Collector's Corner
The Collectors Corner is your source for rare, discontinued, and hard-to-find H&K parts and accessories. Featuring non-replenishable inventory for MP5, MP5K, G3, HK91, and more, this section is curated for collectors, builders, and restoration experts.
From factory originals to legacy surplus, these parts are no longer in production and extremely limited. Once an item sells out, it's gone for good.
No restocks. No replacements. No second chances.
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HK91, G3 Caliber Conversion Kit - .22LR
H&K Heckler & Koch
$1,895.95Heckler and Koch HK G3, HK91 .22LR Caliber Conversion Kit - LIKE NEW SOLD AS IS. NO RETURNS. Convert any HK91 or HK G3 rifle to cycle .22LR ammunition with this genuine HK caliber conversion kit...HKP-22093$1,895.95 -
Out Of Stock
HK P7 PSP 9mm Slide
H&K Heckler & Koch
$1,589.95H&K P7 PSP 9mm Slide Factory German slide for the HK P7 PSP chambered in 9mm. These slides have been out of production for a very long time but we discovered one last unit in our inventory. The...HKP-99168$1,589.95 -
HK MP5SD Parts Kit
H&K Heckler & Koch
$8,799.95H&K HK MP5SD German Parts Kit Genuine German H&K MP5SD parts kit in good condition. Ultra rare offering with all highly desirable parts including a like-new Navy 3 position trigger group with ESSL,...HKP-20641$8,799.95 -
HK21, MG3, MG42 NOS Tripod with HK21 Adapters - Green
DISA (Madsen)
$9,989.95NOS MG3, MG42 ground Tripod with HK21 Adapters This is a Lafette-style ground mount, dated "3/63," manufactured by DISA (Madsen) for use with MG42, MG3, and MG53 machine guns. Original Olive-green...HKP-99414$9,989.95 -
On Sale
HK417, MR762 Upper Receiver and Handguard - Flecktarn
H&K Heckler & Koch
Now: $1,340.95Was: $1,489.95HK417, MR762 Upper Receiver and 13.5" Handguard - Flecktarn Factory HK MR762 matching flecktarn upper receiver and 13.5" handguard. ONLY 3 SETS AVAILABLE AND WILL NOT BE RESTOCKEDHKP-99325Now: $1,340.95Was: $1,489.95 -
HK P7 M13 9mm Slide
H&K Heckler & Koch
$1,499.95HK Heckler and Koch P7 M13 9mm Slide Factory German slide for the HK P7 M13 chambered in 9mm. Compatible With: P7 M13HKP-99170$1,499.95 -
On Sale
HK MP5, G3, HK33 Hensoldt Aiming Projector - RARE
H&K Heckler & Koch
Now: $3,591.71Was: $7,999.95H&K Hensoldt 90 Series Aiming Projector Ultra rare Heckler & Koch Hensoldt Aiming Point Projector. Includes the original wooden case with all accessories, including IR lens, lens cleaning brush,...HKP-19119Now: $3,591.71Was: $7,999.95 -
HK MP5 Trigger Group - Ambi 0,1,2 Pictogram - 9mm
H&K Heckler & Koch
$3,299.95H&K Heckler & Koch 9mm (0,1,2) Only Pictogram Black Polymer Trigger Group for HK MP5 Rare configuration and hard to find! Last unit we have on hand so get it while you can! Shown as 0,1,3 but the...HKP-16684$3,299.95