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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On Sale
HK MP7 A2 Parts Kit
H&K Heckler & Koch
Now: $16,474.95Was: $20,595.00HK MP7 A2 Parts Kit - German HK Available for the first time ever! Get your hands on an updated HK German MP7 A2 parts kit. Each demilled kit is factory original, unfired, and ships in the factory packaging with manuals. Perfect for a...Now: $16,474.95Was: $20,595.00 -
On Sale
HK53 Parts Kit - Like New
H&K Heckler & Koch
Now: $13,484.95Was: $14,984.95H&K HK53 Parts Kit - Like New These HK53 kits are undoubtedly the most pristine kits we have ever come across. Some of these kits were only test fired at the factory. Each de-milled kit includes a factory new sling, like-new magazine,...Now: $13,484.95Was: $14,984.95 -
HK33, HK53, HK93 100 Round Mag System
Beta C-Mag
$689.95100 Round Beta C-Mag for HK 93, 33, 53 - 5.56/.223 systems 100 Round Beta C-Mag Drum System for .223 Remington and 5.56 NATO calibers. These drums are designed with clear back covers to enable you to see your round count. This is the top-of-the-line...$689.95 -
HK91, G3, MSG90 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 mags are long out of production and only a...$174.95 -
HK G36 30 Round Magazine - LEO Marked - USED
H&K Heckler & Koch
$195.99H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED CONDITION VARIES BY UNIT - SOLD INDIVIDUALLY HK German 30-round magazine, LEO marked, designed to perfectly fit all G36, G36K, G36C variants, and converted SL8's with the G36 magwell...$195.99 -
HK33, HK93, Barrel, NIW 1 in 7, RARE
H&K Heckler & Koch
$1,887.95Rare Barrel - NIW 1 in 7 - HK93, HK33: New HK93/33 NIW 1 in 7 twist (super rare) barrel with long flash hider pinned by HK to reach the legal 16" barrel length. Factory-installed sight tower with sight/sling eyelets and factory finish. These are...$1,887.95 -
HK 11/21E/23E Bipod - Surplus
H&K Heckler & Koch
$447.95H&K HK21 Bipod HK - German Used/surplus HK German HK21 old style bipod. No longer in production and only available in limited quantities from military surplus stashes. Compatible With: HK11 HK21, 21E, FMP21 HK23, 23E$447.95 -
HK91, G3 A3 Retractable Stock - New Old Stock
H&K Heckler & Koch
$1,345.95H&K 91/G3 (7.62x51/.308) A3 Retractable Stock - New Old Stock New old stock genuine A3 retractable stock for 7.62x51/.308 rifles. These stocks have long been out of production from HK so grab one of the last new old stock units before they are...$1,345.95 -
On Sale
HK33, HK53, HK93 Magazine - 25 Round - 5.56/.223 - RARE - Used - Only TEN Left - LEO Marked
H&K Heckler & Koch
Now: $187.46Was: $349.95H&K Heckler & Koch HK33, HK53, HK93 - 25 Round Magazine - LEO MARKED - (5.56/.223) - RARE - USED Priced for ONE Magazine - Condition Varies by Unit - Sold Individually ONLY 10 UNITS AVAILABLE Factory-original H&K Heckler & Koch...Now: $187.46Was: $349.95 -
30 Round Magazine - LEO Marked - Windowless - HK UMP .40
$99.95Rare Surplus 30 Round Magazine - LEO Marked - Windowless - UMP .40 S/W Rare UMP .40 windowless magazine with LEO markings. Highly unique magazines as these were "early production" magazines that were used before they switched over to the windowed UMP...$99.95 -
HK416, MR556 Modular Rail System - 9"
H&K Heckler & Koch
$399.95H&K HK MR556/416 9" Modular Rail System - Black HK German MR556 & CR556 handgaurd that accepts the HKey style modular rail sections. This is also the forearm that clear the OSS suppressor system. HK has discontinued this part. Only a few...$399.95 -
HK MP5K/SP89 9mm 4 Position Burst Complete Trigger Group - Push Pin
H&K Heckler & Koch
$3,099.95H&K MP5K/SP89 9mm 4 Position Complete Trigger Group - Push Pin Each trigger group is brand new and factory fresh, direct from HK, specifically designed for push pin style factory MG's. They are compatible with MP5K, MP5K-N, and MP5K-PDW models. The...$3,099.95