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 MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Boom Boom
Zenith
$43.95Zenith 30 Round HK MP5 Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20830$43.95 -
On Sale
HK91, G3, PTR Magazine - 10 Round - Steel - BLEMISHED
H&K Heckler & Koch
Now: $56.95Was: $89.95H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - BLEMISHED MAGAZINE BODY HAS PITTING - CONDITION AND COLOR MAY VARY (see pictures) - Price is per unit. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT...HKP-01607-BNow: $56.95Was: $89.95 -
B&T USW-A1 Magazine - 9mm - 19 Round
B&T Brugger & Thomet
$55.00B&T 19 Round BT USW-A1 9mm Magazine New Swiss B&T manufactured 19 Round magazine Compatible With: B&T USW-A1 9mm Specifications: Factory new condition 19-round capacity 9mmHKP-18354$55.00 -
HK VP9, P30 Magazine Complete - 9mm - 27 Round - Red Follower
HKP HK Parts / Heckler & Koch
$99.95HKP HK VP9/P30 27 Round Magazine Complete - Red Follower - 9mm HK Parts +10 alloy magazine extension coupled with an HK 17 round factory German magazine adds 10 additional rounds total for a fully assembled 27 round HK VP9/P30 magazine. Ideal for...HKP-19843$99.95 -
HK45, USP Magazine Spring - Extended
HKP HK Parts
$11.95HK45/USP Extended Magazine Spring .45 ACP Replacement spring for +7 and +10 HK Parts magazine extensions. Compatible With: HK45/HK45 Compact HK USPHKP-22299$11.95 -
Out Of Stock
HK MP5 Magazine - 30 Round - .40 S&W, 10mm - Gray - Used
H&K Heckler & Koch
$159.95H&K Heckler & Koch 30 Round Magazine for HK MP5 .40/10mm - Gray - USED These magazines are no longer available, and we have just a few remaining units. Once they are gone, they are gone for good. These magazines are USED and are...HKP-01726$159.95 -
HK MP5 Dual Magazine Clamp Conversion Screw - G3 to MP5 Mags
HKP HK Parts
$2.95HKP Dual HK MP5 Magazine Clamp Conversion Screw This screw converts a HK91, G3, PTR dual magazine clamp (HKP-19634) into the correct length for use with an MP5 magazine. Includes: 1 screwHKP-20318$2.95 -
HK CC9 +3 Magazine Extension Kit with Pinky Rest - 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 15-round CC9 magazine to 18 rounds. Machined in the U.S. from aircraft-grade hard coat anodized aluminum with steel hardware...HKP-22476-M$49.95 -
On Sale
HK21 Drum Hanger and100rd Drum
HKP HK Parts
Now: $389.95Was: $435.95HKP HK21 Drum Hanger with H&K 100 Round Drum Complete your HK21 or FMP21 build with our HKP drum hanger and H&K original 100-round drum. Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated to 50 Rockwell, and...HKP-21633Now: $389.95Was: $435.95 -
HK91, G3, PTR Magazine - 5 Round
HKP HK Parts
$79.95HKP HK 91/G3/MSG90 5 Round Magazine - Steel - (7.62x51/.308) 5 Round German Steel 308 Magazine With US Made Floorplate (Counts as 1 US made Part for 922R compliance) For HK Rifles.This magazine is made by Heckler and Koch & converted to five rounds...HKP-16250-M$79.95 -
HK MP5, GSG Magazine Pouch - Single - .22 LR
Comp-Tac
$44.95Comp-Tac HK MP5 .22/GSG .22LR 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 MP5 .22 & GSG .22 The PLM mount allows for being securely...HKP-20100$44.95 -
HK91, G3 Magazine - .308 - 10 Round - Used
H&K Heckler & Koch
$64.95H&K 10 Round HK 91, G3, PTR .308 Magazine - Used Each HK magazine is made by using a factory German HK 20 round mag that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20 round magazines are to long and get...HKP-19887$64.95