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 P7 PSP, P7M8 Magazine Spring - 9mm - 8 Round
H&K Heckler & Koch
$8.958 Round HK P7 PSP & P7M8 9mm Magazine Spring Compatible With: P7 PSP P7M8$8.95 -
Out Of StockOn Sale
HK MP5, MP5K Magazine Block - 30 to 10 Round Conversion - Curved
Raddlock
Now: $8.96Was: $9.95Magazine Block Plug To Reduce HK MP5 30 Round Magazine To 10 rounds MP5 10/30 mag block. This is designed to be used on the HK MP5 30 round, curved, steel magazine. Very easy to install & use. Compatible With: MP5 & MP5K 30 round, curved...Now: $8.96Was: $9.95 -
On Sale
Subgun Magazine Assist - 9mm - 3 Pack
Magpul
Now: $8.96Was: $9.95ORIGINAL MAGPUL® 9MM SUBGUN - 3 PACK When installed on the base of a submachine-gun magazine, the original Magpul provides improved speed and control during high stress, tactical magazine changes. Durable synthetic rubber loop with recessed rough...Now: $8.96Was: $9.95 -
On Sale
HK USP/T 9mm +5 Magazine Extension
HKP HK Parts
Now: $39.96Was: $49.95HKP HK USP/T 9mm +5 Magazine Extension This part is made in the USA out of aircraft grade hard coat anodized aluminum & steel hardware. Ultra-low profile & rock solid. With the addition of the +5 mag extension, the round count in the magazine...Now: $39.96Was: $49.95 -
HK MP5, MP5K Magazine - 9mm - 30 Round - 5 Pack
Zenith
$184.9530 Round Magazine - Zenith - MP5, MP5K - 5 Pack Features: Durable electro-plated black finish for exceptional corrosion resistance All steel construction Round count indicator holes on the rear of the magazine Stainless steel follower Reinforced feed...$184.95 -
On Sale
HK45 Magazine - 13 Round - .45 ACP
HKP HK Parts
Now: $83.96Was: $104.95HKP 13 Round HK 45/45 Tactical .45 ACP Magazine HK45 & HK45 Tactical +3 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a 13 round HK45, HK45 Tactical magazine. Ideal for concealed carry,...Now: $83.96Was: $104.95 -
On Sale
HK CC9 Magazine - 9mm - 10 Round - Extended Floorplate - Red Follower
H&K Heckler & Koch
Now: $35.06Was: $38.95H&K HK CC9 10 Round Magazine - Extended Floor PlateNow: $35.06Was: $38.95 -
On Sale
HKP HK MP5 & HK MP5K Dual 9mm Magazine Clamp Bundle - KCI
HKP HK Parts / KCI
Now: $107.95Was: $119.95Dual Magazine Clamp Bundle - 9mm - KCI MP5 The MP5, MP5K magazine grip or dual magazine clamp. Fits all 9mm MP5 or MP5K curved magazines. Holds two magazines together for ease of use and easy access to 2 magazines. Half the weight of the factory...Now: $107.95Was: $119.95 -
On Sale
HK45, HK45C, USPC Magazine Floorplate - .45 ACP - 10 Round
H&K Heckler & Koch
Now: $13.46Was: $14.95H&K 10 Round HK USPC/45C 45 Magazine Floorplate Each floor plate is the new style rubberized floorplate for enhanced life. A great spare part to have on hand for repair and replacement of parts. This floorplate is commonly called the "elephant foot"...Now: $13.46Was: $14.95 -
On Sale
HK P2000, USPC Magazine - 10 Round - .40 S&W
H&K Heckler & Koch
Now: $49.49Was: $54.99H&K 10 Round HK P2000/USPC .40 S&W Magazine Factory HK German 10 Round magazine. Compatible With: HK USP Compact .40 S&W HK P2000 .40 S&W HK P2000 SK (will fit below the bottom of the magwell)Now: $49.49Was: $54.99 -
HK91, G3, PTR Magazine - 20 Round - Aluminum - Used
Rheinmetall
$12.95Rheinmetall HK G3, HK91, & PTR91 - 20 Round Magazine - Used Perfect for your HK G3/PTR style firearm. The G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. LAST CALL! Compatible...$12.95 -
On Sale
HK Mark 23 Magazine Floorplate - .45 ACP - 12 Round
H&K Heckler & Koch
Now: $17.95Was: $19.95HK Mark 23 12 Round Magazine Floor Plate A great item to have on hand as the floor plates can become cracked and broken with use and time. Compatible With: Mark 23 12 round mags SOCOM Mark 23 12 round magsNow: $17.95Was: $19.95