HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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Out Of Stock
HK416, MR556 2-Stage Trigger
Geissele
$489.95Geissele Automatic's two stage trigger for the HK MR 556 rifle. The HK MR556 trigger is similar to Geissele's SSA with a 4.5 total pull weight. It can be used in both the HK 556 and semi-auto HK 416's. Each Trigger comes with full installation...HKP-16464$489.95 -
HK UMP (9mm) 30 Round Magazine
H&K Heckler & Koch
$62.95HK German UMP 9mm 30 Round Factory Magazine The latest HK German production 30-round magazine is new and hard to find. Compatible With: UMP 9mm USC 9mm conversions Omega 9mm UMP/USC buildsHKP-00608$62.95 -
HK91, G3 Tactical Rail - 6 Inch
HKP HK Parts
$24.95HKP Tactical Rail - 6 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...HKP-00831$24.95 -
HK G3 Standard Buffer Locking Plate
H&K Heckler & Koch
$1.49H&K G3 Standard Buffer Locking Plate This is the plate used with the large buffer screw in the standard buffer.HKP-16982$1.49 -
HK MP5F Receiver Flat - Alternate Holes
HKP HK Parts
$125.95HKP HK MP5F 9mm Flat - Alternate Holes MP5 receiver flat crafted by the original German tool and die maker of the LSC receiver flat using factory original German prints and specifications. This receiver features alternate holes for the correct MP5F or...HKP-21551$125.95 -
HK MP5 Optic Mount - .22LR
HKP HK Parts
$119.95HKP HK MP5 .22LR - Universal Optic Mount The HKP universal optic mount incorporates the VP9 optic footprint, allowing the user to install any VP9 compatible optic on their MP5 .22LR with a German or HKP VP9 optic plate. Swap optics like Trijicon,...HKP-20968-M$119.95 -
HKP HK MP5 .22LR Brace/Stock Adapter
HKP HK Parts
$99.95 - $109.95HKP HK MP5 .22LR Brace/Stock Adapter This is the perfect folding stock adapter to replace the polymer end cap on your MP5 .22. CNC machined from a solid billet of aircraft grade aluminum and cerakoted for a durable finish. Compatible with any...HKP-20795-M$99.95 - $109.95 -
Out Of Stock
HK MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - Clipped & Pinned - USED
USA
$119.95H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - Clipped & Pinned - USED Upgrade your HK93 or HK53 with this S,U,O polymer lower housing, a Malaysian contract housing designed for SEF type trigger...HKP-20031$119.95 -
HK UMP, B&T APC Side Folding Pistol Stabilizing Brace
SB Tactical
$74.95SB Tactical HK UMP Side Folding Pistol Stabilizing Brace A skeletonized version of the SBT Pistol Stabilizing Brace, the SBTi enhances your B&T APC or HK UMP with an integral, side-folding mechanism. The SBTi variant also allows you to customize the...HKP-19133$74.95 -
Maglula Gen 2 AR-15 5.56/.223 Mag Loader/Unloader
Maglula
$26.95Maglula Magazine Loader/Unloader - Generation 2, Lula, 223 Rem/556NATO, Fits AR-15 - Black The Maglula LULA magazine loader & unloader AR-15 for 223 Remington / 5.56mm NATO is a mil-spec tool that allows you to load and unload magazines fast,...HKP-14545$26.95 -
HK UMP, USC Front Sight - 9mm / .40 S&W / .45 ACP
H&K Heckler & Koch
$14.95New HK German Factory USC/UMP Front Sight This is a common wear or breakage part. This part is easy to swap out by just knocking out the roll pin, replacing it, and then re-inserting the roll pin. This is a common wear or breakage part. Compatible with...HKP-00254$14.95 -
HK416 Reaction Rod
Nefarious Arms
$124.95Nefarious Arms - Reaction Rod - HK 416 The Nefarious Arms H&K 416 Reaction Rod is used to securely hold the upper receiver in a bench vise so that work may be performed on the muzzle device. It is inserted through the rear of the upper receiver...HKP-21272$124.95