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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HK CC9 Magazine +3 Extension Kit - 9mm
HKP HK Parts
$49.95HKP HK CC9 +3 Magazine Extension +3 magazine extension for the HK CC9. This low-profile base pad increases a standard 12-round CC9 magazine to 15 rounds. Machined in the U.S. from aircraft-grade...HKP-22488-M$49.95 -
HK91, G3 Magazine - 15 Round - Alloy
H&K Heckler & Koch
$44.95Heckler and Koch HK91, G3, MSG90 15-Round Alloy Magazine Manufactured by Heckler & Koch and converted to 15-round capacity in the United States using a U.S.-made floorplate. Counts as one U.S.-made...HKP-22427$44.95 -
On Sale
Sig P320C +3 Magazine Extension
Tactical Precision MFG
Now: $17.21Was: $44.95TPM Sig P320C +3 Magazine Extension - Barrett Brown This extension is made from machined 6061 Aluminum. This magazine extension will increase capacity, increase reload speed and mag drops, and...HKP-21277Now: $17.21Was: $44.95 -
On Sale
HK45 Magazine Pouch - Single - PLM
Comp-Tac
Now: $29.37Was: $41.95HK 45 Single Magazine Pouch - PLM The Single Magazine Pouch - PLM is an all Kydex® magazine pouch which gives a smooth friction free surface perfect for a quick reload. The Single Magazine Pouch- PLM...HKP-19863Now: $29.37Was: $41.95 -
HK MP5SD Brass Catcher - Quick Detach
B&T Brugger & Thomet
$210.00B&T MP5SD Brass Catcher For Use With B&T Handguard The B&T brass catcher for the MP5SD locks into perfect position when mounted to the matchedHKP-18099$210.00 -
On Sale
HK UMP Magazine - 25 Round - .45 ACP - German LEO Markings - LIKE NEW
H&K Heckler & Koch
Now: $129.26Was: $229.95HK Heckler and Koch .45 ACP 25 Round Magazine for HK UMP - German LEO Markings - LIKE NEW Like-new PD trade in HK German UMP .45 cal 25 Round Factory Magazines. These magazines will fit all UMP...HKP-17917-BNow: $129.26Was: $229.95 -
HK P2000SK Magazine Housing - .40 S&W - 9 Round
H&K Heckler & Koch
$24.95Heckler and Koch 9 Round .40 S&W Magazine Housing for HK P2000SKHKP-18142$24.95 -
HK USP, Mark 23 Magazine Locking Plate - .45 ACP - 10 Round
H&K Heckler & Koch
$5.9510 Round Magazine Locking Plate Compatible With: HK USP 45 ACP 10 round magazine HK Mark 23 10 round magazineHKP-01591$5.95 -
On Sale
Raddlock Key - HK Series
Raddlock
Now: $3.71Was: $9.95HK Series Raddlock Key And Lanyard Raddlock kits convert your firearm to a non-detachable magazine configuration for states with removable magazine restrictions. This is a replacement key for...HKP-02447Now: $3.71Was: $9.95 -
On Sale
HK MP5 Magazine Catch - 9mm - Turkish Contract - Raw
Other
Now: $4.12Was: $19.95Turkish Contract Raw Magazine Catch for HK MP5 9mm Turkish contract raw magazine catch for the MP5. This part is ideal for replacement, restoration, or custom fitment work on compatible builds...HKP-99484Now: $4.12Was: $19.95 -
Out Of Stock
HK CC9 Magazine Body - 9mm - 12 Round
H&K Heckler & Koch
$34.95Heckler and Koch 12-Round Magazine Body for HK CC9 OEM 10-round magazine body for the HK CC9, made in Germany by Heckler & Koch and ideal as a factory-spec replacement. Compatible With:HKP-22147$34.95
HK MG3 50 Round Assault Drum
H&K Heckler & Koch
$27.95H&K MG3 50 Round Assault Drum H&K manufactured 50-round drum for the MG3. Unissued, but may have light marks or dust from long-term storage. Clips onto MG3HKP-22090$27.95