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
HK91, G3 Magazine - 20 Round - LEO Laser Marked - Parkerized - BLEMISHED
H&K Heckler & Koch
Now: $41.95Was: $59.95Heckler and Koch 20 Round Rare LEO Laser Marked Steel Magazine for HK91 and HK G3 BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED POOR AND UNFINISHED LASER MARKING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT...HKP-19333-BNow: $41.95Was: $59.95 -
On Sale
HK417, MR762 Rear Sight Drum
HKP HK Parts
Now: $25.95Was: $29.95HKP HK MR762 & HK 417 Rear Sight Drum Made in the USA.HKP-17776Now: $25.95Was: $29.95 -
HK21E Cylinder Head Screw - Belt Feed Mechanism - RARE
H&K Heckler & Koch
$18.95HK21E Cylinder Head Screw - Belt Feed Mechanism - RARE Replacement cylinder head screw for the HK21E belt feed mechanism, manufactured to original specifications. Ensures proper fit, secure retention, and reliable feeding operation. A rare,...HKP-99412$18.95 -
Out Of StockOn Sale
HK USP, Mark 23 Magazine Extension Kit - .45 - +7 - Red - BLEMISHED
HKP HK Parts
Now: $39.95Was: $59.95HKP HK USP .45/MK23 - Magazine Extension Kit +7 - Red - 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 listing is for the magazine extension...HKP-21513-RE-BNow: $39.95Was: $59.95 -
Out Of Stock
Century Arms AP53 Magazine - 30 Round
MKE
$54.95MKE 30 Round Magazine - Steel The MKE 30-Round Steel Magazine is a rugged, corrosion-resistant mag designed for the MKE 5.56 AP53 platform. Compatible With: Century Arms AP53 HK53 In-spec. clones and custom buildsHKP-22088$54.95 -
On Sale
HK91, G3 Magazine - 15 Round - Steel - Refinished
H&K Heckler & Koch
Now: $76.95Was: $84.95HK Heckler and Koch 15 Round Steel Magazine - Refinished for HK G3 and HK91 (7.62x51/.308) HK G3 factory steel 15-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a polished...HKP-21922Now: $76.95Was: $84.95 -
On Sale
HK P7M13 Magazine Follower - Black - BLEMISHED
H&K Heckler & Koch
Now: $22.95Was: $49.95H&K HK P7M13 Magazine Follower - Black - BLEMISHED ONLY 2 UNITS AVAILABLE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. All steel construction, brand new...HKP-02364-BNow: $22.95Was: $49.95 -
On Sale
HK P2000 Magazine Extension Kit - +7
HKP HK Parts
Now: $51.95Was: $64.99HKP HK P2000 +7 Magazine Extension Kit This listing is for the magazine extension ONLY. This is not a complete magazine. The referenced magazine capacity is the total capacity once the extension...HKP-21527-MNow: $51.95Was: $64.99 -
On Sale
HK Mark 23 Magazine Housing - 10 Round
H&K Heckler & Koch
Now: $44.95Was: $49.9510 Round HK Mark 23 Magazine HousingHKP-16647Now: $44.95Was: $49.95 -
On Sale
HK USPC, P2000 Magazine Floorplate - .40 S&W - 10 Round - Flat
H&K Heckler & Koch
Now: $41.95Was: $45.95H&K 10 Round HK USPC .40 S&W Flat Floor Plate Magazine New German HK 10 round floor plate flat style for low profile. Compatible With: HK USP Compact 40 S&W HK USP Compact 357 SIG HK P2000 40 S&WHKP-01197Now: $41.95Was: $45.95 -
HK MP5, SP5, MP5K, SP5K Magazine Clamp - Tri-Lock - 9mm
HKP HK Parts
$39.95HKP HK MP5, SP5, MP5K, SP5K Tri-Lock Magazine Clamp 9mm Triple magazine clamp HK MP5 magazines. Secures three 9mm magazines together for faster reloads and segregating ammo types (FMJ/JHP/subsonic/supersonic). Compatible With: MP5, SP5 MP5K,...HKP-22799-M$39.95 -
On Sale
HK USP Magazine Extension - 9mm - +7 Round - Red - BLEMISHED
HKP HK Parts
Now: $47.95Was: $69.95HK USP Magazine Extension - 9mm - +7 Round - Red - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Easy to install. Simply add the mag extension to your...HKP-21841-RE-BNow: $47.95Was: $69.95