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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H&K 30 Round HK MP5/MP5K, SP5K/SP5K 9mm Magazine - RAL 8K
H&K Heckler & Koch
$80.00New OEM Factory German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - RAL 8K Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped, and painted In Germany...HKP-19354$80.00 -
On Sale
Magpul Glock 17 17-Round 9mm Magazine - Black
Magpul
Now: $10.95Was: $16.95Magpul Industries 17-Round PMAG 9mm Magazine for Glock 17, Black The PMAG GL9 is a 17-round Glock 9mm handgun magazine featuring a new proprietary all-polymer construction for flawless reliability and durability over thousands of rounds. High...HKP-19397Now: $10.95Was: $16.95 -
On Sale
KCI Glock 50-Round 9mm Drum Magazine - Black
KCI - South Korea
Now: $49.99Was: $69.95KCI Glock 50-Round 9mm Drum Magazine - Black Features: Capacity: 50 Rounds Caliber: 9mm Construction: Polymer/Steel Made in South Korea by KCI Compatible With: Glock 17, 19, 26, 34 Please Note: The firearm shown in the picture is NOT included. Since...HKP-14321Now: $49.99Was: $69.95 -
HKP 17 Round HK USP .45/Mark 23 Enhanced Magazine
HKP HK Parts
$113.95HKP 17 Round HK USP .45/Mark 23 Enhanced Magazine - Black Our 17 round magazine starts life as a factory HK 12 round magazine then gets a capacity bump with our +5 mag extension. Compatible With: HK USP .45 HK Mark 23HKP-21459-M$113.95 -
H&K 10 Round HK P2000SK 9mm Magazine - Black
H&K Heckler & Koch
$54.95HK P2000 SK 9mm - 10 Round Magazine With Finger Rest Fits the HK P2000SK sub-compact (SK) model only—new Factory German HK manufacture.HKP-00308$54.95 -
H&K 8 Round HK P7 PSP/P7M8 9mm Magazine Spring
H&K Heckler & Koch
$8.958 Round HK P7 PSP & P7M8 9mm Magazine Spring Compatible With: P7 PSP P7M8HKP-01357$8.95 -
H&K HK CC9 12 Round Magazine - Extended Floor Plate
H&K Heckler & Koch
$49.95H&K HK CC9 12 Round Magazine - Extended Floor PlateHKP-21572$49.95 -
H&K HK 17 Round HK VP9 Magazine Locking Plate
H&K Heckler & Koch
$8.95Magazine Locking Plate for 17 Round Magazine - HK VP9, P30 New HK German factory part. This is the locking plate for the bottom of the magazine spring on the newer VP9/P30 17 Round magazine.HKP-19322$8.95 -
H&K/HKP 22 Round HK USP45/Mark 23 .45 Complete Magazine
H&K / HK Parts
$149.95Mark 23/USP .45 - 22 Round Magazine Complete HK Parts takes an existing 12 round mag the +10 mag extension and assembles them into a working 22 round magazine. This offering is a valuable option for those that need a backup ultra capacity magazine...HKP-21372-M$149.95 -
H&K MP5 40/10 30 Round Magazine
H&K Heckler & Koch
$199.95New HK German MP5 40/10 30 Round Magazine Factory German MP5 40/10 magazine will fit all of the HK MP5 40/10 rifles & pistols, including the Vector, Coharie, and other custom builds & clones. Hard to find & the latest HK German factory...HKP-00430$199.95 -
Out Of Stock
HKP HK MP5 & HK MP5K Dual 9mm Magazine Clamp Bundle - KCI
HKP HK Parts, KCI
$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...HKP-20479$119.95 -
On Sale
Glock 19 15-Round 9mm Magazine - Black
Glock
Now: $19.95Was: $30.00Glock 19 9mm - 15 Round Magazine These are factory-original, drop-free magazines for your Glock handgun. Glock magazines have a hardened steel insert encased in high-tech polymer. This polymer coating protects the magazine and prevents deformation, even...HKP-00012Now: $19.95Was: $30.00 -
Magpul 9mm Subgun Mag Assist - 3 Pack
Magpul
$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...HKP-17310$9.95 -
H&K SL8 (5.56/.223) 10 Round Factory Magazine
H&K Heckler & Koch
$65.95HK German 10-Round Magazine For The SL8-1 & SL8 Firearms. Made in Germany and factory fresh.HKP-00276$65.95 -
HKP HK VP9, HK VP40 Enhanced Magazine Release
HKP HK Parts
$49.95Enhanced Magazine Release - Alloy - HK VP Series The oversized magazine release increases the overall surface area and makes it possible to release the magazine without changing the position of your grip. Made in the USA from 6061 billeted aluminum...HKP-21099-M$49.95 -
HK 91/G3 Magazine Follower - USA
$19.95Magazine Follower - USA - HK 91, G3, PTR USA made magazine follower for HK 91, G3 magazines. This follower is made in the USA and counts as one US made compliant part needed for builds and conversions for 922r compliance.HKP-18997$19.95 -
On Sale
HKP Glock 17 - +6 Round 9mm Magazine Extension Kit - Black
HKP HK Parts
Now: $22.95Was: $34.95HKP Glock 17 - +6 Round 9mm Magazine Extension Kit - Black Designed to fit all of the Glock 17 models from Gen 1 through and up to the current Gen 5 models. Each unit is fully machined from a solid billet of aircraft-grade aluminum that is fully hard...HKP-18348Now: $22.95Was: $34.95 -
HKP HK USP45/Mark 23 +10 Magazine Extension
HKP HK Parts
$69.95Magazine Extension - +10 - HK USP .45 & Mark 23 Easy to install. Simply add the mag extension to your existing mag body and follower. No gunsmithing needed. Made 100% in the USA out of aircraft-grade hard coat anodized aluminum with steel hardware...HKP-21371-M$69.95 -
Magpul 30 Round HK G36 5.56/.223 Magazine - Black
Magpul
$29.95Magpul 30 Round HK G36 5.56/.223 Magazine - Black The PMAG 30G Maglevel (5.56 NATO / .223 Remington) is a durable, lightweight, highly reliable 30-round polymer magazine for the HK G36 series of firearms. Including the SL8 conversions that now use G36...HKP-01740$29.95 -
Comp-Tac HK MP5 9mm Single Magazine Pouch
Comp-Tac
$44.95Comp-Tac HK MP5 9mm Single Magazine Pouch The single magazine pouch PLM is an all Kydex magazine pouch which gives a smooth friction free surface perfect for a quick reload for your HK MP5. The PLM mount allows for being securely hooked on a variety of...HKP-20099$44.95 -
HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine Floor Plate
$19.95HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine Floor Plate USA made floor plate for HK 91, G3, PTR 91 20-Round Steel and Aluminum Magazines. This floor plate is made in the USA and counts as one US made compliant part needed for builds and conversions...HKP-18921$19.95 -
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Tungsten
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - Tungsten Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the...HKP-19977$99.95 -
HKP 24 Round HK VP9, P30 9mm Complete Magazine - Black
HKP HK Parts
$89.9524 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30 Drop-in magazine ready to go! HK Parts takes an existing 17 round magazine and a +7 magazine extension to assemble them into a working 24 round magazine. Compatible With: HK VP9, VP9...HKP-19457$89.95 -
F5 MFG 50 Round MP5 9mm Drum Magazine
F5 MFG
$199.00F5 MFG 50 Round MP5 9mm Drum Magazine HK MP5 & MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the long-awaited and highly anticipated MP5 50 Round Drum Magazine designed for...HKP-16537$199.00 -
On Sale
Glock 33-Round 9mm Magazine - FDE
Glock
Now: $29.95Was: $39.95Glock 33-Round 9mm Magazine - FDE Each Glock magazine is constructed from a hardened steel insert encased in high tech polymer to protect the magazine and prevent deformation, even when dropped from a great height. The high quality spring and follower...HKP-19820Now: $29.95Was: $39.95 -
H&K 10 Round HK USP .40 S&W Magazine - Black
H&K Heckler & Koch
$49.00HK German Full Size USP .40 10 Round Magazine Fits all USP full-size .40 pistols. Perfect for those who live in restricted states. Compatible With: HK USP .40 HK USP .40 Tactical HK USP Elite & Expert Please Note: This part will not fit the USP...HKP-01205$49.00 -
Zenith 30 Round HK MP5 Magazine
Zenith
$48.95Zenith 30 Round HK MP5 Magazine Features: Cerakote finish - Many colors to choose from All steel construction Round count indicator holes on the rear of the magazine Stainless steel follower Reinforced feed lips High-tensile compression...HKP-20832-M$48.95 -
HKP 17 Round HK P2000/USPC Complete .40 S&W Magazine - Black
H&K / HK Parts
$79.95HKP 17 Round HK P2000/USPC Complete .40 S&W Magazine - Black HK P2000 +5 magazine extension coupled with a new full-size HK P2000 .40 Cal 12 round magazine. Each unit is then fully assembled as a 17 round HK P2000 magazine. Ideal for competitive...HKP-18642$79.95 -
On Sale
H&K 12 Round HK VP9SK/P30SK 9mm Magazine w/ Finger Rest
H&K / HK Parts
$49.00 - $69.95HK VP9SK & P30SK 9mm - 12 Round Magazine With Finger Rest This magazine has the same footprint, size, and overall length as the factory 10-round mag with pinky rest, only this offering gives you an extra two rounds. A must-have and neat upgrade for...HKP-21078-M$49.00 - $69.95 -
HKP +1 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest - Black
HKP HK Parts
$19.95HKP +1 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest - Black VP9 SK & P30 SK magazine extension or floorplate that adds an additional round to the 10 round magazine (11 rounds total). The mag extension also provides a pinky rest that is super well...HKP-17880$19.95 -
GSG 22 Round GSG-5/GSG-16 .22LR Magazine - Black
GSG German Sports Guns
$29.95GSG 22 Round GSG-5/GSG-16 .22LR Magazine - Black The GSG magazine is a standard factory replacement magazine. The magazine is made from high-quality polymer and features a matte finish. Compatible...HKP-00794$29.95 -
HKP HK45 +5 Magazine Extension Kit
HKP HK Parts
$64.95HKP HK45 +5 Magazine Extension Kit HK Parts magazine extension +5 kit adds 5 additional rounds to the HK45 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly recommends using a magazine loader when...HKP-20809-M$64.95 -
H&K 13 Round HK USPC 9mm Magazine w/ Flat Floor Plate - Black
H&K Heckler & Koch
$49.9513 Round HK USPC 9mm Magazine w/ Flat Floor Plate - Black Perfect for concealed carry or use as a lower profile magazine. Compatible With: HK USP Compact 9mm HK P2000 9mm HK P2000SK (will sit below the bottom of the mag well)HKP-02243$49.95 -
H&K 15 Round HK VP9/HK P30 9mm Complete Magazine w/ White Follower
H&K Heckler & Koch
$49.00H&K 15 Round HK VP9/HK P30 9mm Complete Magazine w/ White Follower New HK German Manufacture & Factory Fresh Production. Each factory HK all steel bodied magazine holds 15 rounds of 9mm ammunition for use in all P30, P30L, P30S & HK VP9 9mm...HKP-18781$49.00 -
H&K HK USP/Mark 23 .45 ACP Magazine Follower
H&K Heckler & Koch
$9.95USP .45 & Mark 23 SOCOM Magazine Follower A great spare to have on hand as this is a wear and replacement item. Compatible With: HK USP 45 ACP 10 Round HK USP 45 ACP 12 Round HK USP .45 Tactical, Elite, Expert HK Mark 23 10 Round HK Mark 23 12...HKP-01586$9.95 -
HKP HK VP9, HK VP40 Competition Magwell Extension - Black
HKP HK Parts
$74.95HKP HK VP9, HK VP40 Competition Magwell Extension - Black The HK Parts manufactured Competition VP9//VP40 extended flared magwell is CNC machined in the USA from billet aircraft grade aluminum that is hard coat anodized & Teflon coated for maximum...HKP-17756$74.95 -
Out Of Stock
H&K 30 Round AR-15 5.56x45mm/.223 Magazine - Tan
H&K Heckler & Koch
$99.9530 Round Magazine with Window - Sand Tan - Gen 3 - Heckler & Koch Factory German Heckler & Koch 30-round Gen 3 polymer magazine. Compatible With: HK416 MR223 MR556 AR15 M16 M4 type riflesHKP-19358$99.95 -
HKP/H&K USP/T .40 S&W 18 Round Complete Magazine With Extension
HKP HK Parts
$79.95HKP/H&K USP/T .40 S&W 18 Round Complete Magazine With Extension HK Parts magazine extension adds 5 additional rounds to the full size USP & USP Tactical, 13 round magazine. Each unit is then fully assembled as an 18 round magazine. Ideal for...HKP-18643-M$79.95 -
HKP HK VP9SK/P30SK Magazine Pinky Rest
HKP HK Parts
$22.95HKP HK VP9SK/P30SK Magazine Pinky Rest This machined floorplate allows the user to quickly swap the floorplate to add a finger rest for the pinky on a standard VP9SK & P30SK 10-round magazine. Why settle for cheap plastic or 3D-printed...HKP-17853-M$22.95 -
On Sale
HKP 13 Round HK45 .45 ACP Magazine - Cerakote Red
HKP HK Parts
Now: $69.95Was: $89.99HKP 13 Round HK45 .45 ACP Magazine - Cerakote Red HK Parts magazine extension +3 adds 3 additional rounds to the HK45, 10 round magazine. Each unit is then fully assembled as a 13 round HK45 magazine. Ideal for competitive shooters, concealed carry or...HKP-20611Now: $69.95Was: $89.99