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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HK51, PTR PDW Folding Stock
Choate
$228.95Choate PTR PDW (7.62x39) & (7.62x51 /.308) Folding Stock New HK Choate side folding stock complete with sling swivel, new German HK backplate, and ready to drop on your favorite HK rifle. No gunsmith is needed as this is an easy-to-do drop in stock...HKP-14348$228.95 -
HK PTR91 Triple Frame Sight Tower
H&K Heckler & Koch
$49.95PTR Triple Frame/Front Sight Tower for PTR Barrels This is a German HK triple frame that has been machined to accept the larger profile of the PTR barrels. Ready to use on your PTR91 barrels. Each sight tower includes machined front sight tower to fit...HKP-16325$49.95 -
HK33, HK53, HK93 Backplate - Parkerized
H&K Heckler & Koch
$64.95Steel Back Plate For HK93, 33, 53 & MP5, 94- Parkerized Finish HK German backplate with the recoil assembly cup guide installed. Each unit comes complete & freshly parkerized. Derived from a German HK91 backplate and using factory tooling,...HKP-16252$64.95 -
HK MP5 Bolt Hold Torsion Spring - 10mm / .40 S&W
H&K Heckler & Koch
$39.95MP5 40, 10 Bolt Hold Torsion Spring This is the factory spring used to activate the bolt hold-open lever. Great spare and needed part to have on hand.HKP-00455$39.95 -
HK MP5, MP5K 9mm Ambidextrous 0,1 Trigger Pack - Match
HKP HK Parts
$579.95HKP/H&K MP5/K 9mm 2 Position 0,1 Ambidextrous Match Trigger Pack We have one of the best HK gunsmiths in the country that is able to take hand picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most...HKP-18424$579.95 -
HK MP5, MP5K Contact Piece for Paddle Mag Release - 9mm
H&K Heckler & Koch
$59.95MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German This is the real deal NOT the .308 or .223 contact piece. Hard to find factory-correct, brand-new, latest production German HK 9mm contact piece. Compatible With: MP5, SP5, 94, SP5 MP5K, SP5K,...HKP-00118$59.95 -
Ergo M-LOK Handstop
Ergo
$54.95M-LOK Hand Stop/Barricade Stop in Black Features: Aggressive textured front for enhanced traction on barricades and obstacles Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Fits all M-LOK style forearms or...HKP-17852$54.95 -
HK34 Cocking Tube
HKP HK Parts
$159.95HKP HK34 Cocking Tube HK34 Length Cocking Tube. Made in the USA from German & US made components. Each unit comes as pictured with the MP5/94 style locking location and hanger installed. The HK34 cocking tube will use standard MP5/94...HKP-16444$159.95 -
HK MP5K, SP5K, SP89 Side Folding Brace Adapter
HKP HK Parts
$119.95HKP MP5K/SP5K/SP89 Side Folding Brace Adapter The HK Parts folding brace adapter is the best option to attach the SB tactical Folding brace or any brace that utilizes the same mounting system. Hardware included for a quick and easy installation. QD...HKP-20798-M$119.95 -
HK G36, CQB Barrel Assembly - 5.56 / .223 - 15.4"
H&K Heckler & Koch
$1,095.95Factory German HK G36 CQB Barrel Assembly - New Brand new HK German cold hammer forged barrel assembly, date coded, uninstalled & unfired in the factory wax paper wrapping. Each barrel assembly uses the standard G36/SL8 piston rod assembly so the...HKP-17026$1,095.95 -
HK416, MR556, G36, SL8 Gas Piston
USA
$79.95HK G36, HK SL8, HK 416, & HK MR556 Gas Piston Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it is one of...HKP-14540$79.95 -
HK SP5 9mm Spec Only SEF Navy Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$179.95H&K SP5 9mm Spec Only SEF Navy Style Trigger Housing - Clipped & Pinned Fits only HK SP5 9mm. This trigger house is for use with SEF style trigger packs. This will not work with the ambidextrous style trigger pack that comes with the factory SP5...HKP-19233$179.95