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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On Sale
HK MP5 40/10 Clamp - Dual Magazine
HKP HK Parts
Now: $39.96Was: $49.95HKP HK MP5 40/10 Dual Magazine Clamp The HK Parts MP5 40/10 dual magazine clamp is expertly crafted to fit all 40/10 MP5 polymer magazines. Constructed from durable aluminum and finished with a type 3 hard anodize for enhanced protection and a premium...Now: $39.96Was: $49.95 -
On Sale
HKP/HK 20 Round HKVP9SK/P30SK 9mm Magazine Complete - Red
Now: $80.95Was: $89.9510 Round Magazine with Red +10 Extension - 9mm - HK VP9SK & P30SK Ideal for competitive shooters that would like a 20 round robust steel and alloy magazine. Each mag comes fully assembled and ready for use. HK Parts takes an existing 10 round...Now: $80.95Was: $89.95 -
On Sale
HK UMP 9mm 15 Round Magazine
HKP HK Parts
Now: $39.96Was: $49.95UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...Now: $39.96Was: $49.95 -
On Sale
HKP 15 Round HK 45C & USPC .45 ACP Magazine
HKP HK Parts
Now: $95.96Was: $119.95HKP 15 Round HK 45C & USPC .45 ACP Magazine HK Parts +7 magazine extension boosts the HK45C 8-round mag to a full 15 rounds. Fully assembled and factory fresh, it's perfect for competition, concealed carry, or range use. Compatible With: HK...Now: $95.96Was: $119.95 -
Out Of StockOn Sale
HKP 24 Round Mark 23 .45ACP Complete Magazine
HKP HK Parts
Now: $55.96Was: $89.95Magazine Complete 24 Round Mark 23, SOCOM New HK German MK23 Magazine body combo; pre-installed along with the HK Parts mag extension kit fully installed. Each offering is complete, fully assembled, ready for the range. This offering is a valuable...Now: $55.96Was: $89.95 -
HK P7 PSP, P7M8 Magazine Follower
H&K Heckler & Koch
$24.95HK P7 PSP/P7M8 Magazine Follower Compatible With: PSP P7M8$24.95 -
On Sale
HK45 +5 E2 Magazine Extension Kit
HKP HK Parts
Now: $51.96Was: $64.95HKP HK45 +5 E2 Magazine Extension Kit Our HK45 E2 design boldly transforms our magazine extension, giving it an aggressive look along with superior functionality. The enhanced features throughout the extension provide not only the striking appearance we...Now: $51.96Was: $64.95 -
On Sale
HK21, FMP Drum Hanger & 100rd Drum
H&K Heckler & Koch
Now: $1,160.06Was: $1,288.95H&K HK21/FMP Drum Hanger & 100rd Drum Complete your HK21 or FMP21 build with the incredibly rare original H&K drum hanger and 100-round drum. These components have long been discontinued and are essential for completing a proper HK21 or...Now: $1,160.06Was: $1,288.95 -
On Sale
HK PARTS, HK 24 Round HK VP9, HK P30 9mm Magazine Complete - Red
HKP HK Parts / Heckler & Koch
Now: $80.95Was: $89.9524 Round Magazine Complete - Red - 9mm - HK PARTS - HK VP9, HK P30 HK Parts +7 alloy magazine extension coupled with an HK 17 round factory German magazine adds 7 additional rounds total for a fully assembled 24 round HK VP9/P30 magazine. Ideal for...Now: $80.95Was: $89.95 -
On Sale
HK MP5, HK94, SP5 Magazine Spring - 10 Round
H&K Heckler & Koch
Now: $6.25Was: $6.9510 Round Magazine Spring - HK MP5, 94, SP5 A must-have repair and replacement part great for spares. Compatible With: All factory spec steel 10 round MP5, 94 style curved magazinesNow: $6.25Was: $6.95 -
On Sale
HK USPC, P2000 Magazine Floorplate - 9mm - 10 Round - Flat
H&K Heckler & Koch
Now: $53.96Was: $59.95H&K 10 Round HK USPC 9mm Flat Magazine Floor Plate Compatible With: HK USP Compact 9mm 10 round magazines HK P2000 9mm 10 round magazinesNow: $53.96Was: $59.95 -
Out Of StockOn Sale
HK416, MR556 Magazine Floorplate - 5.56 / .223 - 10,20,30 Round - Complete
H&K Heckler & Koch
Now: $9.86Was: $10.95HK German HK 416, MR556 Floor Plate Extension Complete All steel HK Marked 30, 20 & 10 round floor plates. Each unit comes complete with the rubber bushing installed in the maritime finish. It is a great spare to have on hand as these do break...Now: $9.86Was: $10.95