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 USP, Mark 23 Magazine Locking Plate - .45 ACP - 10 Round
H&K Heckler & Koch
$5.9510 Round Magazine Locking Plate Compatible With: HK USP 45 ACP 10 round magazine HK Mark 23 10 round magazineHKP-01591$5.95 -
HK USPC Magazine Housing - 9mm - 10 Round
H&K Heckler & Koch
$19.9510 Round HK USPC 9mm Magazine Housing This is an all-steel construction for the HK USPC and P2000 9mm models. New HK German manufacture. Compatible With: HK USPC 9mm HK P2000 9mm HK P2000SK (will extend below the mag well)HKP-02500$19.95 -
HK23E Saw Feed Box Adapter
Michaels Machines
$299.95Saw Box (M249) Adapter For HK23E Or MM23E Belt FedsHKP-02072$299.95 -
HK MP5SD Brass Catcher - Quick Detach
B&T Brugger & Thomet
$210.00B&T MP5SD Brass Catcher For Use With B&T Handguard The B&T brass catcher for the MP5SD locks into perfect position when mounted to the matched B&T's HK MP5SD Tri-Rail Handguard. Features a quick disconnect mechanism for easy...HKP-18099$210.00 -
HK CC9 Extended Base Plate
HKP HK Parts
$44.95HKP CC9 Extended Base Plate This +0 base plate gives your CC9 magazine the extended look and enhanced grip of a full-capacity mag without adding any rounds. Perfect for restrictive states or anyone wanting a streamlined, tactical appearance while staying...HKP-22167-M$44.95 -
Out Of Stock
HK USP, Mark 23 Magazine Housing - .45 ACP - 10 Round
H&K Heckler & Koch
$49.95H&K 10 Round USP/Mark 23 .45 ACP Magazine Housing Only New HK German USP .45 & Mark 23 10 Round Magazine body only. All Steel HK construction.HKP-16544$49.95 -
Out Of StockOn Sale
HK MP7 Magazine - 4.6x30mm - 30 Round - USED
H&K Heckler & Koch
Now: $49.95Was: $64.95HK MP7 Magazine - 4.6x30mm - 30 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 4.6x30mm HK MP7A1 &...HKP-00364-USEDNow: $49.95Was: $64.95 -
On Sale
HK91, G3, PTR Magazine - 20 Round - Steel - USED
Rheinmetall
Now: $24.95Was: $34.95Rheinmetall HK91, G3, PTR Magazine - 20 Round - Steel - 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 steel mags were made for the...HKP-22495-USEDNow: $24.95Was: $34.95 -
HK VP9A1 K Magazine Replacement Kit
H&K Heckler & Koch
$23.95HK VP9A1K Magazine Replacement Kit Magazine replacement kit with all necessary components: spring, floorplate, and locking plate. Compatible With: HK VP9A1 KHKP-22300$23.95 -
HK USP Magazine Extension - 9mm - +7 Round
HKP HK Parts
$69.95HK Parts Magazine Extension for your HK USP or HK USPT 9mm +7 Magazine Extension Easy to install. Simply add the mag extension to your existing mag body and follower. No gunsmithing required. Made in the US from aircraft-grade hard coat anodized aluminum...HKP-21841-M$69.95 -
HK P2000, USPC Magazine - .40 S&W - 12 Round - LEO Marked - Used
H&K Heckler & Koch
$69.95H&K 12 Round HK P2000/USPC .40 S&W Magazine - LEO Marked - Used All steel with rubberized floorplate with finger rest. Compatible With: HK USP Compact .40 Cal HK P2000 .40 Cal Will also fit the P2000SK .40 (will not fit flush)HKP-21781$69.95 -
B&T 9mm Magazine - 10 Round
B&T Brugger & Thomet
$65.00B&T 10 Round 9mm Magazine Compatible With: B&T MP9/TP9 B&T APC9 B&T SPC9 B&T GHM9 B&T KH9 ***NOT compatible with models equipped with Glock or Sig magazine compatible lowersHKP-21740$65.00