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 USPC Magazine - 10 Round - .357 SIG - Flat Floorplate
H&K Heckler & Koch
$49.00HK USP Compact 357 10 Round Magazine With Flat Floorplate$49.00 -
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 mags are long out of production and only a...$174.95 -
Out Of Stock
HK MP5 Magazine - 38 Round
HKP HK Parts
$79.95MP5, MP5K 9mm Curved Magazine - 38 Round - Red Follower New USA manufactured MP5, MP5K - 38 round magazine. These units will come with a red follower installed for a quick and easy visual identification of an empty magazine. As an added bonus each mag...$79.95 -
HK91, G3 Magazine Release Set - USED
H&K Heckler & Koch
$24.95Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 HK-manufactured, used magazine release set for HK .308 pattern rifles. Complete left-to-right mag catch assembly with both push-button and paddle controls. Expect finish wear and...$24.95 -
On Sale
HK USP Magazine - Extended -10 Round - .45 ACP - Pinky Rest - Black - BLEMISHED
H&K Heckler & Koch
Now: $34.95Was: $49.00H&K 10 Round HK USP .45 ACP Extended Magazine w/ Pinky Rest - Black - BLEMISHED USED MAGAZINES WITH MAGWELL INSERTION MARKINGS AND SLIGHT CARBON ON FOLLOWERS. VERY LOW USE AND IN EXCELLENT CONDITION. COSMETICALLY BLEMISHED PARTS ARE FULLY...Now: $34.95Was: $49.00 -
KCI 30 Round MP5 9mm Magazine - 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...$349.95 -
HK VPSK, P30SK Magazine Floorplate - 9mm - 13, 15 Round - Extended
H&K Heckler & Koch
$53.95H&K VP9SK/P30SK 13 & 15 Round Extended Floor Plate Factory HK floorplate extension for VP9SK 13 and 15 round magazines. Features a durable black polymer body with a textured finish for improved grip. Compatible With: HK VP9SK & P30SK$53.95 -
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 overall functionality of your pistol. Easy to install and...Now: $17.21Was: $44.95 -
HK UMP (.40 S&W) 30 Round Magazine Housing
H&K Heckler & Koch
$69.95New HK UMP .40 30 Round Magazine Housing New HK German UMP .40 30 round factory magazine body. A great spare part in the event that your mag body is damaged or cracked.$69.95 -
Out Of Stock
HK UMP Magazine Locking Plate - .40 S&W
H&K Heckler & Koch
$9.95H&K UMP (.40 S&W) Magazine Locking Plate German HK.$9.95 -
On Sale
HK MP5, HK91, G3, PTR Magazine - 5 Round - Black - BLEMISHED
HKP HK Parts
Now: $44.97Was: $79.95HK91, G3, MSG90 Magazine - 5 Round - Black - BLEMISHED PITTING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. 5 Round German Steel 308 Magazine With US Made...Now: $44.97Was: $79.95 -
On Sale
HK UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW
H&K Heckler & Koch
Now: $172.34Was: $229.95H&K UMP (.45 ACP) 25 Round Magazine - 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 factory firearms as well as the USC's that have been converted to accept UMP...Now: $172.34Was: $229.95