Rifle / SMG Parts
Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/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, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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H&K HK SL8 Adjustable Buttstock Piece - Black
H&K Heckler & Koch
$39.95HK SL8 Adjustable Buttstock Piece - Black Newer style that is black in color. Please note that the pic shows a gray unit but this offering is all black.HKP-17837$39.95 -
H&K HK SL8 Adjustable Buttstock Piece - Used - Gray
H&K Heckler & Koch
$19.95HK SL8 Adjustable Buttstock Piece Gray in Color - USEDHKP-20051$19.95 -
$139.95 -
Out Of Stock
H&K HK SL8, HK G36 Match Hammer - Black
H&K Heckler & Koch
$0.00German HK SL8 & G36 Match Hammer A hard to find factory HK SL8 & G36 match hammer. Finally after years of searching the G36 match hammer is available. Compatible With: HK SL8-6, SL8-1, Sl8-4 G36, G36K, G36C All G36 & HK243 modelsHKP-17721$0.00 -
H&K HK SL8-1 Locking Lever Elbow Spring
H&K Heckler & Koch
$9.95HK SL8-1 Locking Lever Elbow SpringHKP-16398$9.95 -
Out Of Stock
H&K HK UMP 2 Position Complete Lower - Black
H&K Heckler & Koch
$0.00New HK German 2 Position Lower Complete New German Heckler & Koch UMP Lower. 2 position settings (S,F). Each lower comes complete with all the factory internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Compatible...HKP-19117$0.00 -
Out Of Stock
H&K HK11 LMG 7.62×51mm NATO Parts Kit
H&K Heckler & Koch
$2,895.95H&K HK11 LMG 7.62×51mm NATO Parts Kit HK 11 Parts Kit 7.62x51mm demilled to BATFE specs with 2 spare G3 aluminum magazines. The HK11 was built during the 70’s and 80’s. These are interchangeable with other HK Variants and can be...HKP-20912$2,895.95 -
H&K MP5 "F" Ambidextrous Sling Loop Weldment
H&K Heckler & Koch
$19.95HK German Factory MP5 F Ambidextrous Sling Loop This is the factory HK part that is on all MP5F models. A great upgrade for that custom build or for those who want to have the ability to have an ambidextrous sling loop at the front of the...HKP-00100$19.95 -
Out Of Stock
H&K MP5 & MP5K 9mm Ambidextrous 0,1 Trigger Pack
H&K Heckler & Koch
$0.00H&K MP5/K 9mm 2 Position 0,1 Ambidextrous Trigger Pack Introducing the popular FBI or 0,1 style ambidextrous trigger pack, now available in a fully German-manufactured configuration. This trigger pack is designed for use with ambidextrous grip...HKP-18209$0.00 -
Out Of Stock
H&K MP5 40/10 Complete Ambidextrous Navy Trigger Pack
H&K Heckler & Koch
$0.00H&K MP5 40/10 3 Position Ambidextrous Navy Style Complete Trigger Pack Enhance your MP5 with the 3 Position Ambidextrous Navy Trigger Pack, featuring Safe, Semi, and Full (Navy) positions. This complete trigger pack is designed to fit your MP5...HKP-00980$0.00 -
H&K MP5 40/10 Factory Full Auto Bolt Carrier
H&K Heckler & Koch
$499.95New HK German MP5 40/10 Factory F/A Bolt Carrier This is the latest and greatest version of the MP5 40 and MP5 10mm carrier. No longer in production or manufactured. Tungsten-filled German HK and the real deal.HKP-00452$499.95 -
H&K MP5 9mm A3 Parts Kit With Navy 3 Position Trigger Group
H&K Heckler & Koch
$3,699.95HK German MP5 9mm Used Parts Kit Complete All MP5 Kits: 100% German Parts HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto Push Pins - 1 Large and 2 Small 30-Round Curved...HKP-00887$3,699.95 -
Out Of Stock
H&K MP5 Full Auto Bolt Group Complete- IB DATE CODE
H&K Heckler & Koch
$0.00MP5 Full Auto Bolt Group Complete - IB DATE CODE-NEW OLD STOCK HK German 9mm MP5 full auto bolt carrier IB dated new old stock in 100% working order. These bolt groups are HK German MP5 Limited quantity available.Heckler & Koch bolt groups are now...HKP-00662$0.00 -
Out Of Stock
H&K MP5K 3 Position (0,1,F Pictogram) Navy Style Ambidextrous Housing - Push Pin
H&K Heckler & Koch
$0.00H&K MP5K 3 Position (0,1,F Pictogram) Navy Style Ambidextrous Housing - Push Pin This is a factory German push pin style housing. HK marked and new latest factory fresh production. Specifications: 3 Position Pictogram Markings: 0,1,F Navy Style...HKP-17143$0.00 -
Out Of Stock
H&K MP5K 9mm 3 Position S,E,3F Burst Trigger Group - Push Pin
H&K Heckler & Koch
$0.00Trigger Group (S,E,3F) - HK MP5K 9mm New factory HK German and rare only a few of these in the country and there will be no more Compatible With: HK MP5K 9mmHKP-02019$0.00 -
H&K MP5K PDW 10mm Barrel - Threaded 9/16x24 - 3-Lug
USA
$299.95H&K MP5K PDW 10mm Barrel - Threaded 9/16x24 - 3-Lug This US-made MP5KN PDW 10mm barrel features a 9/16x24 thread pitch and a 3-lug design. It is a rare and hard-to-find barrel, with only a few available. Ideal for enhancing your MP5K PDW, this barrel...HKP-02317$299.95 -
H&K MP5K/SP89 9mm Recoil Guide Rod Stripped
H&K Heckler & Koch
$14.95New HK German MP5K, SP89 Recoil Guide Rod Bar Incomplete Recoil spring rod stripped. Compatible with all MP5K & SP89 recoil springs.HKP-01693$14.95 -
H&K MR556 Slimline Barrel, 16.5"
H&K Heckler & Koch
$889.95Genuine HK MR556 Slimline 16.5" Barrel. Non-chrome-lined for match accuracy. Compatible With: HK MR556HKP-21322$889.95 -
$7.95 -
H&K UMP (.40 S&W) Magazine Follower
H&K Heckler & Koch
$9.95HK UMP 30 Round Magzine Follower .40 S&WHKP-01901$9.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight - Incomplete
H&K Heckler & Koch
$49.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight - IncompleteHKP-16372$49.95 -
H&K USC (.45 ACP) Bolt Group- Incomplete
H&K Heckler & Koch
$699.95HK German USC .45 Factory Semi Bolt - Incomplete HK German USC, Omega GS 45 caliber bolt carrier that is stripped. Just add the firing pin, firing pin spring, extractor and firing pin retaining pin for a complete bolt. Made in Germany.HKP-17011$699.95 -
H&K USC (.45 ACP) Incomplete Trigger Housing - Grey
H&K Heckler & Koch
$69.95H&K USC .45 ACP 2 Position (0,1 Pictogram) Incomplete Trigger Housing - Grey Enhance your H&K USC .45 ACP with this high-quality incomplete trigger housing in grey. This housing is designed to provide a reliable upgrade to your USC platform,...HKP-16357$69.95 -
H&K USC (.45 ACP) Incomplete Trigger Housing - Used
H&K Heckler & Koch
$39.95H&K USC (.45 ACP) Incomplete Trigger Housing - Used Used HK German USC Lower Receiver Empty. German HK perfect for spare parts. You can choose gray or black. We have both types 1. Please be sure to make a note of which color you want when checking...HKP-16479$39.95 -
HK91, G3, PTR Folding Stock
Choate
$144.95HK 91, G3, PTR Side Folding Stock No gunsmith is needed as this is an easy install using your hardware from your existing fixed A2 stock. This counts as one US-made compliant part. Compatible With: HK 91 G3 PTR91 Also fits HK93 and 33-style rifles...HKP-00516$144.95 -
HKP HK G36C Forearm - FDE
HKP HK Parts
$109.95HK G36K Forearm With Hand Stop & Heat Shield New forearm with heat shield & hand stop fits all HK G36C's or SL8/G36 conversions sized for the G36C barrel. Each unit also features the hand stop with sling attachment points. Hard mounting...HKP-19302$109.95 -
HKP HK MP5 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing
HKP HK Parts
$129.95US Made HK MP5 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing This 922r compliant housing features a 2 position (0,1) pictogram. Specifications: 2 Position Pictogram Markings: 0,1 FBI Style Housing Compatible With: HK MP5HKP-20839$129.95 -
HKP HK MR556/416 Upper 8" 416C Style Conversion Kit
HKP HK Parts
$1,285.95MR556 & HK416 Upper Conversion Kit - 8" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 8" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...HKP-18629$1,285.95 -
HKP HK MR762 & HK 417 Rear Sight Drum
HKP HK Parts
$29.95HKP HK MR762 & HK 417 Rear Sight Drum Made in the USA.HKP-17776$29.95 -
HKP MP5 .40 S&W Pistol Build Kit
HKP HK Parts
$2,099.95MP5 .40 Pistol Build Kit Complete German & USA Made Parts MP5 .40 parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a pistol (N/A) rifle, or SBR...HKP-18405$2,099.95 -
HKP MP5K 40/10 Full Auto Bolt Carrier
HKP HK Parts
$149.95HKP MP5K 40/10 Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat treated providing the finest American made carrier available. Not to be confused with cheap...HKP-18362$149.95 -
Out Of Stock
HKP PTR-32 (7.62x39) Complete Bolt Group - PDW
HKP HK Parts
$359.95US Made PTR 32 PDW Bolt Group Complete Semi-Auto. Factory correct bolt head and locking piece for use in the PTR 32 chambered in 7.62X39. Brand new May 2015 manufacture. This is the correct bolt for all PTR PDW with 8" barrels.HKP-17387$359.95 -
HKP- ACR to SP5K Adapter
HKP HK Parts
$139.95HKP- ACR to SP5K Adapter We now offer the best option to convert the ACR Stock to be compatible with your MP5K, SP5K, SP89 and clones. Our new aircraft grade aluminum SP5K ACR adapter comes with a pre-installed folding stock buffer to make this a quick...HKP-20843$139.95 -
KDG HK MR762 14" M-LOK Rail System - Black
KDG Kinetic Development Group
$499.95KDG - M-LOK Rail System - 14" - Black - HK MR762 The HK 762 M-LOK rail is a direct mount rail system, replacing the factory HK 762 rail systems. The new rail utilizes the M-LOK system, is lighter, longer, and more ergonomic for the operator. The HK...HKP-19206$499.95 -
On Sale
Magpul AR-15 ACS Stock - Mil-Spec
Magpul
Now: $119.95Was: $139.95Magpul AR-15 ACS Stock - Mil-Spec The patent-pending Magpul ACS (Adaptable Carbine/Storage) mil-spec model is a drop-in replacement butt-stock for AR15/M16 carbines using mil-spec-sized receiver extension tubes. Similar to the Magpul CTR, the ACS also...HKP-01134Now: $119.95Was: $139.95 -
Magpul HK MP5 & HK94 MOE SL-S Stock - FDE
Magpul
$234.95Magpul MOE SL-S - FDE- MP5 ,HK94 Magpul MOE SL-S MP5 ,HK 94 complete stock ready to drop in. Great option for those looking for different length options. Sleek and perfectly designed. The sleek profile, dual-side release latches, and waterproof battery...HKP-20489$234.95 -
On Sale
Magpul HK MP5/SP5 9mm AR Trigger Housing - BLEMISHED
Magpul
Now: $204.95Was: $299.95Magpul HK MP5/SP5 9mm AR Trigger Housing - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. With our new MP5 AR style trigger housing you can have the...HKP-20727-BNow: $204.95Was: $299.95 -
MI/HKP HK MP5 Alpha Folding Stock
MI Midwest Industries
$419.95Midwest Industries/HKP HK MP5 Alpha Folding Stock Brace Adapter The Midwest Industries Alpha folding stock paired with the HK Parts Picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your...HKP-21512-M$419.95 -
MM HK 21E/23E/MSG90 (7.62x51/.308) & (5.56/.223) Scope Mount
Michaels Machines
$899.95HK21E/23E Or MSG90 Quick Release Rail Scope Mount Made in the USA of the best material and to factory HK specs. First time offered and exclusively here at HKPARTS.NET.HKP-01924$899.95 -
Out Of Stock
MM HK UMP 9mm Conversion Kit
Michaels Machines
$989.95HK UMP & USC 9mm Conversion Kit US Made - 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The conversion parts are drop-in with...HKP-02286$989.95