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 A3 Retractable Buttstock - New Old Stock
H&K Heckler & Koch
$1,345.95Heckler and Koch HK91, G3 A3 Retractable Stock - New Old Stock Genuine HK A3 retractable stock the HK91 or G3. These are original HK production units that have been out of manufacture for years,...HKP-22104$1,345.95 -
Out Of Stock
HK416 Upper Receiver Kit - 10.4" - Date Coded - OTB - USED
H&K Heckler & Koch
$3,789.95H&K 416 10.4" Date Coded OTB Upper Parts Kit - USED Genuine HK 416 10.4″ date coded used upper parts kit with a factory German 10.4″ barrel with the new Over The Beach (OTB) features (vented gas...HKP-22193-M$3,789.95 -
HK91, G3, PTR Magazine - 5 Round - Steel
H&K Heckler & Koch
$174.95New HK German 5 Round Factory G3 and HK91 .308 Steel Magazine Factory German steel magazine. This is an original German 5 round magazine from HK, not a modified assembly/cut-down magazine. These...HKP-00220$174.95 -
P90 LV Parts Kit - Laser Visible - 50 Round
FN
$3,899.95FN P90 LV Kit - Laser Visible - 50 Round - USED Extremely rare factory FN P90 LV (Laser Visible) parts kit with integrated laser sight manufactured by Laserex Technologies in Australia. This...HKP-22155$3,899.95 -
HK G36 C-Mag System - 100 Round Drum
Beta C-Mag
$839.95The Beta Company 100 Round Beta C-Mag Kit for HK G36 These drums are designed with clear back covers to enable you to see your round count. This magazine is the top-of-the-line package from The Beta...HKP-21205-M$839.95 -
On Sale
HK417 Bolt Carrier - Full Auto
H&K Heckler & Koch
Now: $1,669.95Was: $1,859.95H&K HK417 Bolt Carrier - Full Auto Genuine factory full-auto HK417 bolt carrier. Limited number available. Compatible With: HK417<HKP-22282Now: $1,669.95Was: $1,859.95 -
HK33, HK93, Barrel - 5.56 / .223 - 16" - 1 in 7 Twist Rate - RARE
H&K Heckler & Koch
$1,887.95HK33, HK93, Barrel, RARE 1 in 7 Twist Rate New HK93, 33 barrel featuring the uber rare 1 in 7 twist rate. The barrel features the factory pinned flash hider to achieve the non-SBR legal 16" overall...HKP-19344$1,887.95 -
On Sale
HK416, MR556 Handguard - 9" - HKey
H&K Heckler & Koch
Now: $217.46Was: $399.95H&K HK MR556/416 9" Modular Rail System - Black HK German MR556 & CR556 handguard that accepts the HKey style modular rail sections. This handguard is compatible with the OSS suppressor system. HK...HKP-17341Now: $217.46Was: $399.95 -
HK11, HK21, HK23 Bipod - Surplus
H&K Heckler & Koch
$447.95Heckler and Koch Bipod for HK11, HK21, HK23 German HK bipod for the HK21 series light machine gun system. This is the original, older-style HK21 bipod sourced from military surplus. These units are...HKP-00565$447.95 -
On Sale
Fero Z-51 Night Vision Scope - Parts Grade
Zeiss / Eltro
Now: $318.72Was: $499.95Zeiss/Eltro Fero Z-51 Night Vision Scope-Parts Grade Used in non-working condition -SOLD AS IS. Comes shipped in the original German Army transportation case. Good for spare partsHKP-15655Now: $318.72Was: $499.95 -
On Sale
HK 940 Barrel - .30-06
H&K Heckler & Koch
Now: $412.46Was: $948.95Heckler and Koch HK 940 .30-06 Rifle Barrel Genuine new HK 940 .30-06 barrel featuring date code and Ulm antler proof. These barrels are unfired and fully nitrided for a lifetime of use. These...HKP-21605Now: $412.46Was: $948.95 -
On Sale
HK MP5K, SP89 Trigger Group, Complete - Burst 4 Position - 9mm - Push Pin
H&K Heckler & Koch
Now: $2,789.95Was: $3,099.95HK Heckler and Koch Complete 9mm 4 Position Push Pin Trigger Group for HK MP5K and HK SP89 EachHKP-01498Now: $2,789.95Was: $3,099.95