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 Mark 23 Magazine Housing - 10 Round
H&K Heckler & Koch
$49.9510 Round HK Mark 23 Magazine HousingHKP-16647$49.95 -
HK USP, USP Tactical .45 ACP Lockout Device Set
H&K Heckler & Koch
$18.95Heckler and Koch HK USP45, USP45 Tactical Lockout Device Set Factory lockout device set designed for HK USP .45 ACP full-size pistols, including Tactical models. Intended for use in compatible lockout-equipped frames. Compatible With: USP45,...HKP-01503$18.95 -
HK416, MR556 Magazine Locking Plate
H&K Heckler & Koch
$9.95HK German HK MR556 & HK 416 Magazine Locking PlateHKP-13484$9.95 -
Out Of Stock
HK USC Magazine Locking Plate Insert - .45 ACP
H&K Heckler & Koch
$8.95H&K USC (.45 ACP) Magazine Locking Plate InsertHKP-16384$8.95 -
HK23E Ammunition Belt Box - 5.56 / .223 - US
Michaels Machines
$599.95HK23E & MM23E Belt Box Brand new HK23E, MM23E US made feed box. The German units have long since been out of production. These are exact copies of the German units. Made in the USA. Compatible With: MM23E HK23EHKP-17579$599.95 -
On Sale
Turkish Contract 30 Round MP5 Magazine - Seconds - Refurbished
Now: $9.95Was: $24.95Turkish Contract 30 Round MP5 Magazine - Seconds - Refurbished ONLY 1 UNIT AVAILABLE - AS PICTURED REFURBISHED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. These Turkish military contract 30 round MP5...HKP-21878-USEDNow: $9.95Was: $24.95 -
On Sale
AR-15 Magazine - .223 - Aluminum - 30 Round - Orange Follower
Now: $8.95Was: $14.95C Products Defense AR-15 .223 30 Round Aluminum Magazine - Orange Follower ONLY 2 AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY OPEN PACKAGING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR...HKP-99440Now: $8.95Was: $14.95 -
On Sale
HK MP7 Magazine Body ONLY - 4.6x30mm - 40 Round - USED
H&K Heckler & Koch
Now: $59.95Was: $78.95HK MP7 Magazine - 4.6x30mm - 40 Round - USED ONLY 1 UNIT AVAILABLE MAGAZINE BODY ONLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. New Factory German. For use with all the 4.6 X 30mm HK MP7A1 & MP7A2.HKP-00364-USED-2Now: $59.95Was: $78.95 -
On Sale
HK MP7 Magazine - 4.6x30mm - 40 Round - USED
H&K Heckler & Koch
Now: $66.95Was: $78.95HK MP7 Magazine - 4.6x30mm - 40 Round - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. New Factory German. For use with all the 4.6 X 30mm HK MP7A1 &...HKP-00364-USEDNow: $66.95Was: $78.95 -
On Sale
HK91, G3, PTR Magazine - 20 Round - Date Coded - USED
H&K Heckler & Koch
Now: $24.95Was: $34.95Heckler and Koch HK91, G3, PTR 20 Round Date Coded Magazine - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTS AND PITTING USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Factory German HK 20 round G3...HKP-99439-MNow: $24.95Was: $34.95 -
On Sale
HK91, G3, PTR Magazine - 20 Round - Alloy - USED
Rheinmetall
Now: $12.95Was: $19.95Rheinmetall HK91, G3, PTR Magazine - 20 Round - Alloy - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTS AND PITTING USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. G3 alloy mags were made for the...HKP-22495-USEDNow: $12.95Was: $19.95 -
On Sale
HK UMP Magazine Body - .45 ACP - 25 Round - LEO Marked - USED
H&K Heckler & Koch
Now: $73.95Was: $149.95HK UMP Magazine Body - .45 ACP - 25 Round - LEO Marked - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Used PD trade-in factory 25 round magazine body with HK...HKP-99426Now: $73.95Was: $149.95