Magazines / Extensions / Brass Catchers
Explore our extensive selection of HK magazines and extensions designed for enhanced capacity and performance across a range of HK models including the VP9, USP, MP5, and more. From rugged steel magazines to advanced polymer extensions, our inventory caters to both tactical and recreational needs, ensuring reliable feeding and durability. Enhance your HK firearm with precision-engineered magazine upgrades, available now for various calibers and applications.
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Out Of Stock
HK 21 Ammunition Belt Box Adapter
Michaels Machines
$274.95Belt Box Adapter A new custom-made adapter - allows you to use HK German factory HK21E belt boxes on the HK21 older style or original style belt feds. It is a drop-in design that will enable easy and quick use of the superior HK21E belt boxes...HKP-01844$274.95 -
HK23E Saw Feed Box Adapter
Michaels Machines
$299.95Saw Box (M249) Adapter For HK23E Or MM23E Belt FedsHKP-02072$299.95 -
HK91, G3, PTR Drum Magazine - 50 Round
X Products
$278.9550 Round Drum HK91, G3, & PTR The X-91 drum replicates the original HK G8 drum to give you 50 rounds of .308 power housed in a compact, aluminum body. The X-91 utilizes X Products’ ultra-compact single-stack coil system, delivering...HKP-01283$278.95 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 10 Pack - Cerakoted
KCI
$349.95KCI 30 Round MP5 9mm Magazine - 10 Pack Get reliable performance and a splash of style with the KCI 30 Round MP5 9mm Magazine 10-Pack. Cerakoted for durability, this pack includes two magazines in each of five distinct colors—perfect for quick...HKP-22066$349.95 -
On Sale
HK33, HK53, HK93 Magazine - 25 Round - RARE - Used - LEO Marked
H&K Heckler & Koch
Now: $249.95Was: $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 A FEW UNITS AVAILABLE Factory-original H&K Heckler &...HKP-99299Now: $249.95Was: $349.95 -
HK G36, SL8 Brass Catcher
B&T Brugger & Thomet
$284.95B&T HK G36 & SL8 Brass Catcher This brass catcher is expertly crafted for the HK G36. The B&T QD attachment system enables quick mounting and dismounting. For optimal compatibility, the G36 must be equipped with a B&T quad rail handguard...HKP-21530$284.95 -
On Sale
HK P2000 Magazine Body - 16 Round - RARE GPM
H&K Heckler & Koch
Now: $249.95Was: $300.95H&K P2000 GPM 16 Round Magazine Body - RARE PRICE IS PER MAGAZINE - SOLD INDIVIDUALLY. CONDITIONS VARY. PLEASE REFER TO PHOTOS AS THE MAGAZINE BODIES PICTURED ARE THE LAST 4 WE HAVE AVAILABLE. This rare and genuine European 16-round magazine body is...HKP-99190Now: $249.95Was: $300.95 -
Out Of Stock
HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE
H&K Heckler & Koch
$389.95Heckler and Koch HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE ONLY 1 UNIT AVAILABLE Factory-original HK steel magazine for the HK93, HK53, and HK33 rifles. The rare 25-round configuration, combined with the LEO marking, makes this...HKP-99382$389.95 -
HK G3 Brass Catcher
B&T Brugger & Thomet
$385.00B&T HK G3 Brass Catcher THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL. Mounts to B&T tri-rail handguard (BT-21042) which is no longer available from B&T. The B&T HK G3 brass catcher is a...HKP-21703$385.00 -
HK SL6 Magazine - 4 Round - Used - RARE
H&K Heckler & Koch
$249.95Heckler and Koch 4 Round Magazine for HK SL6 - Used - Rare Rare 4 round magazine for the HK SL6 chambered in .223. A hard to find factory magazine for collectors, restorations, or completing an original SL6 setup. Compatible With: SL6 .223 THIS...HKP-99466$249.95