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
HK416, MR556 Drum System - Beta C-Mag - 100 Round
Beta C-Mag
Now: $499.95Was: $564.95100 Round Beta C-Mag For The HK416 & MR556 Firearms These drums are designed with clear back covers to enable you to see your round count. This works in any weapon system that takes the standard AR-15 magazines. This part is...HKP-02418Now: $499.95Was: $564.95 -
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...HKP-00220$174.95 -
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
HK VP9SK, P30SK Magazine Pinky Rest - Black - BLEMISHED
HKP HK Parts
Now: $16.95Was: $22.95HK VP9SK, P30SK Magazine Pinky Rest - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This machined floorplate allows the user to quickly swap...HKP-17853-BL-BNow: $16.95Was: $22.95 -
On Sale
HK416, 556, AR15 Magazine - 30 Round - BLEMISHED
Magpul
Now: $10.95Was: $18.95Magpul 30 Round AR-15, HK 556, HK 416 Magazine - BLEMISHED DOES NOT INLUDE DUST COVER COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. NON-windowed Gen 3 PMAG...HKP-00639-BNow: $10.95Was: $18.95 -
On Sale
HK MP5 Magazine Locking Plate - 9mm - Black - USED
HKP HK Parts
Now: $5.95Was: $12.95HKP HK MP5 9mm Magazine Locking Plate - Black - USED ONLY 1 UNIT LEFT - AS PICTURED - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Locking...HKP-99240Now: $5.95Was: $12.95 -
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 & P30SKHKP-21990$53.95 -
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...HKP-17917-BNow: $172.34Was: $229.95 -
HK UMP Magazine - .40 ACP - 30 Round - LEO Marked
H&K Heckler & Koch
$99.95Rare Surplus 30 Round Magazine - LEO Marked - Windowless - UMP .40 S/W Rare UMP .40 windowless magazine with LEO markings. Highly unique magazines as these were "early production" magazines that were used before they switched over to the windowed UMP...HKP-20749$99.95 -
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.HKP-16369$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.HKP-16340$9.95 -
HK CC9 Magazine Body - 9mm - 12 Round
H&K Heckler & Koch
$5.95Heckler and Koch 12-Round Magazine Body for HK CC9 OEM 10-round magazine body for the HK CC9, made in Germany by Heckler & Koch and ideal as a factory-spec replacement. Compatible With: CC9HKP-22147$5.95