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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Lancer 30 Round AR-15 Magazine - Smoke
Lancer
$29.95Lancer 30 Round AR-15 Magazine - Smoke Lancer set out to design a better 5.56 magazine, one with the reliability of steel and the durability and weight of the polymer. The L5AWM’s exclusive hybrid design includes a hardened steel feed lip...HKP-21188$29.95 -
HK417, MR762 Magazine Catch Retainer Ring
H&K Heckler & Koch
$10.95H&K HK 417/MR762 Magazine Catch Retainer Ring Compatible With: HK 417 HK MR762HKP-16521$10.95 -
On Sale
HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED
H&K Heckler & Koch
Now: $44.95Was: $84.95HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED MAGAZINE BODIES HAVE PITTING - CONDITION MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...HKP-21922-BNow: $44.95Was: $84.95 -
HK USP 9mm +10 Magazine Extension
HKP HK Parts
$69.95Magazine Extension - +10 - HK USP 9mm Easy to install. Simply add the mag extension to your existing mag body and follower. No gunsmithing needed. Made 100% in the USA out of aircraft-grade, hard-coat anodized aluminum with steel hardware. Ultra...HKP-21382-M$69.95 -
HK MP5 Magazine - Supersonic Labeled - 30 Round
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 -
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 MP5 Magazine - 30 Round - 9mm - Molykote®
Other
$36.95Molykote® Anti-Friction Coated Turkish Contract 30 Round MP5 9mm Magazine Molykote is a specialty coating formulated to reduce friction and wear between mating surfaces. It not only works well, this robust finish looks good too. Available...HKP-22479$36.95 -
B&T APC9/TP9/SPC9 Magazine Slim Bumper Upgrade Kit
B&T Brugger & Thomet
$20.00B&T Magazine Slim Bumper Upgrade Kit This magazine upgrade kit enhances the durability of your 9mm magazines, providing extra protection for the base. The kit features a two-piece base plate that reinforces the bottom of the magazine, covered with a...HKP-21712$20.00 -
HK21 Drum Hanger and100rd Drum
HKP HK Parts
$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-21633$435.95 -
HK UMP Magazine Floorplate - 9mm / .40 S&W / .45 ACP
HKP HK Parts
$7.95HKP HK UMP Floor Plate Compatible With: UMP .45 UMP .40 UMP 9mm These can become cracked or broken with use or drops onto hard surfaces. Made in the USA and counts as 1 US compliant part.HKP-17161$7.95 -
HKP HK MP5, MP5K Dual 9mm Magazine Clamp Bundle - Turkish Contract
HKP HK Parts
$99.95HKP HK MP5, MP5K Dual 9mm Magazine Clamp Bundle - Turkish Contract HKP dual mag clamp with two Turkish contract 30 round 9mm MP5 magazines. Ideal for faster mag swaps and having two types of ammo (subs vs supers or FMJ's vs JHP's) ready to load...HKP-22492$99.95 -
HK91, G3, PTR Magazine - 10 Round - Alloy
H&K Heckler & Koch
$37.95H&K HK91, G3, MSG90 10 Round Magazine - Alloy This part counts as 1 US-made part for 922r compliance for HK rifles. Manufactured by HK and converted to ten round capacity in the United States using a US-made floorplate. Compatible With: HK91 HK...HKP-22418$37.95