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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PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly
PTR
$339.95PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly AR15/M16 to HK 90 series stock adapter set up for the PTR PDW. This is a perfect compliment for those that want to use the popular Magpul Moe stock on your PTR PDW. Each adapter includes the...HKP-15753$339.95 -
RCM HK 93/53/33 (5.56/.223) Complete Bolt Head
RCM
$214.95HK 93, 33, 53 .223/5.56 Bolt Head Complete - US The latest generation style bolt head with oval shaped roller retainer plate. Perfect for 556/ .223 & 300 BLK HK or roller lock firearms. Includes: 223/556 Extractor- US Extractor Spring- HK 8mm...HKP-16722$214.95 -
RCM HK MP5 10mm Barrel - Threaded 9/16x24
RCM
$279.95RCM HK MP5 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5 with the RCM HK MP5 10mm Barrel. This barrel is precision engineered for superior accuracy and durability. This barrel features a 9/16x24 thread and includes a thread protector...HKP-21158$279.95 -
RCM HK SP5K Semi Auto Carrier
RCM
$159.95RCM HK SP5K Semi Auto Carrier SP5K semi-auto carrier machined completely from billet ordnance steel. RCM US made SP5K carrier is made to the most updated and latest SP5K specs and more. Tungsten filled, heat treated, phosphate finish and all...HKP-20983$159.95 -
RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH
RCM
$164.95RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and HK51K style projects. Specifications: Made In The...HKP-02392$164.95 -
Strike Industries HK MP5 Stock with Cheek Riser
Strike Industries / HKP
$349.95Strike Industries HK MP5 Stock with Cheek Riser The Strike FSA folder paired with our MP5 picatinny adapter is one of the best options on the market for weight reduction and compact profile. The adjustable cheek riser allows the user to dial in the stock...HKP-21497-M$349.95 -
Strike Industries HK SP5 Drop-In MOD2 Stock
Strike Industries
$199.95Strike Industries HK SP5 Drop-In MOD2 Stock We pair our SP5 AR stock adpter with this Strike MOD2 stock to give you a drop-in SP5 stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock. Only available here at HK...HKP-21332-M$199.95 -
TBR HK MR762 Operator Brass Catcher - Black
TBR Tactical Brass Recovery
$229.95Operator Brass Catcher for HK MR762 Operator model for HK MR762 rifle. Slightly different from other AR platform rifles because the HK MR762 has a bit higher rail to bore centerline dimension. This 4 position detent feature allows 180 degrees of motion...HKP-19149$229.95 -
Out Of Stock
Tommy Built HK G36 AR Stock Adapter
Tommy Built
$249.95Tommy Built HK G36 AR Stock Adapter G36 Hinge with AR Buffer Tube Mount. This can be used to adapt various AR Style Stock and Braces to the HK G36 Receiver Hinge.HKP-18852$249.95 -
On Sale
TPM - .22 Full Port Muzzle Brake - Titanium
Tactical Precision MFG
Now: $59.95Was: $84.99Full Port Muzzle Brake - .22 Cal - 1/2x28 This titanium muzzle brake is designed by a master gunsmith and is one of the best and lightest on the market. The spiral port outlets along with the parabolic internal taper significantly reduces recoil while...HKP-20771Now: $59.95Was: $84.99 -
On Sale
TPM - Grenade Bolt Knob - Titanium
Tactical Precision MFG
Now: $36.75Was: $48.99TPM - Grenade Bolt Knob - Titanium TPM grenade bolt knobs are a great way to dress up any rifle. It has a great feel and looks fantastic. Can also fit any 5/16x24 threaded bolt handle. Grenade Bolt Knob - Titanium Dimensions: 1.90" x 7/8" x...HKP-20776Now: $36.75Was: $48.99 -
Out Of Stock
USA HK MP5/MP5K T1/H1 Aimpoint Low Mount
USA
$49.95Aimpoint T1 & H1 Low Profile Mount For HK MP5, MP5K New US manufactured scope mount that is similar in style as the revered B&T optics mount only made right here in the USA. All aluminum and made to last with a price that is attractive & hard...HKP-17117$49.95 -
B&T HK MP5K, HK SP89, HK SP5K Folding Stock/Length Adjustable Helmet Stock - Black
B&T Brugger & Thomet
$379.95B&T HK MP5K, SP5K, SP89 Folding/Adjustable Helmet Stock Swiss made B&T folding and length adjustable helmet stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units...HKP-18101$379.95 -
F5 MFG 50 Round HK MP5/MP5K 9mm Drum - Burnt Bronze
F5 MFG
$199.0050 Round Drum - 9mm - Burnt Bronze - MP5, MP5K HK MP5 & MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the long-awaited and highly anticipated MP5 50 Round Drum Magazine...HKP-19218$199.00 -
On Sale
FMP HK 21 Stripped Bolt Carrier
Now: $387.95Was: $499.95FMP HK 21 Stripped Bolt Carrier New old stock stripped HK21 FMP Full auto bolt carrier. It is missing the catch lever assembly (see pictures). May have storage marks or light rust on the unfinished bottom portion. Long since out of production and no...HKP-20034Now: $387.95Was: $499.95 -
On Sale
Franklin Armory BFSIII CZ-S1 CZ Scorpion Straight Trigger
FA Franklin Armory
Now: $467.99Was: $499.95Franklin Armory BFSIII CZ-S1 CZ Scorpion Straight Trigger The BFSIII for CZ Scorpion is a 3-Position Trigger. In position 3 it will fire 1 round on pull and 1 round on release. This makes it the fastest semi-automatic trigger on the market. The BFSIII is...HKP-19793Now: $467.99Was: $499.95 -
Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group
FA Franklin Armory
$879.95Franklin Armory HK MP5 .40/10 BFSIII HK-C1 Franklin Binary SEF Navy Style Trigger Group 3 Position HK Binary Trigger Group for the MP5 40, MP5 10mm firearms Binary triggers count as 4 922r compliant components. The components that count towards...HKP-19663$879.95 -
Geissele HK 416 10.5" M-LOK Handguard - Black
Geissele
$499.95Geissele HK 416 10.5" M-LOK Handguard - Black The super modular rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength,...HKP-20327$499.95 -
Geissele HK 416 M-LOK 10.5" Handguard - Black
Geissele
$469.95HK416 Super Modular Rail MK15 M-LOK - Black - 10.5" The Super Modular Rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength,...HKP-19990$469.95 -
GSG9 HK G36C (5.56/.223) 4 Prong Flash Hider - Threaded 15x1 RH
GSG9
$86.95GSG9 HK G36C (5.56/.223) 4 Prong Flash Hider - 15x1 RH Finest quality 4-prong flash hider that is threaded 15x1 right-hand twist (factory HK thread pitch). Perfect for the SL8, G36C, or other type of HK conversion. It also counts as one US-made part for...HKP-00631$86.95 -
GSG9 HK G36C Forearm - Black
GSG9
$126.95HK G36C Handguard With Heat Shield & Hand Stop New GSG9 manufactured 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 attachement points...HKP-18216$126.95 -
Out Of Stock
H&K 21E/23E (7.62x51/.308 & 5.56/.223) 4 Position Trigger Housing
H&K Heckler & Koch
$0.00H&K 21E/23E (7.62x51/.308 & 5.56/.223) 4 Position Trigger Housing This 4 position trigger housing is designed for factory HK21E and HK23E firearms. It is an excellent spare to have on hand for your HK belt-fed firearm, providing reliable...HKP-00248$0.00 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Complete Rear Stock
H&K Heckler & Koch
$0.00HK German HK21E, 23E Rear Stock Complete The latest manufacture and no longer in production or offered by HK Germany.HKP-00575$0.00 -
Out Of Stock
H&K 91/G3 (7.62x51/.308) Magazine Loader
H&K Heckler & Koch
$0.00HK Factory Loader for HK 91/G3 Magazines Compatible With: HK 91 magazines HK G3 magazines PTR-91 Magazines HK PSG1 magazines HK MSG-90 magazines HK 90 series 308 magazinesHKP-00221$0.00 -
On Sale
H&K A3 Parkerized Stock Protective Cover
H&K Heckler & Koch
Now: $14.95Was: $19.95H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33, and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place.HKP-20649Now: $14.95Was: $19.95 -
H&K Extended Selector Lever - Burst 3 Position
H&K Heckler & Koch
$94.95H&K Extended Selector Lever - Burst 3 Position New HK ambidextrous left side EXTENDED (ESSL) 0,1,2 or 0,1,3 only burst selector lever for ambidextrous trigger packs or trigger groups. Will not fit SEF style trigger packs.HKP-16973$94.95 -
H&K G36K Extended Handguard Picatinny Rail - Black
H&K Heckler & Koch
$149.95HK G36K German Factory Picatinny Extended Bottom Rail Fits all HK G36K newer style handguards with the rail attachment points. This is the full-length version for a full-length bottom rail for the G36K forearm. New HK German manufacture.HKP-01137$149.95 -
H&K HK 416, HK MR556 Folding Front Sight For Hanguard
H&K Heckler & Koch
$134.95Folding Front Sight - German - HK 416, MR556 Handguards German HK built in folding front sight for the forearms/handguards.HKP-19462$134.95 -
H&K HK MP5/91/93/53/33/G3 Sear/Catch
H&K Heckler & Koch
$57.95Sear/Catch Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: MP5, MP5K HK91, G3, PTR HK93, 33, 53 Other 90 series trigger packs and clones such as Omega,...HKP-01459$57.95 -
H&K HK MR556/MR762/HK 416/417 Trigger
H&K Heckler & Koch
$189.95H&K HK MR556/MR762/HK 416/417 Trigger Made in Germany. Compatible With: HK MR556 HK MR762 HK 417 HK 416HKP-15210$189.95 -
H&K HK MR762 Bolt Carrier
H&K Heckler & Koch
$499.95H&K HK MR762 Bolt Carrier New HK German production.HKP-16626$499.95 -
H&K HK MR762/417 Handguard Grooved Pin
H&K Heckler & Koch
$11.95H&K HK MR762/417 Handguard Grooved PinHKP-16822$11.95 -
H&K HK SL8, HK G36 Top Rail Screw
H&K Heckler & Koch
$14.95HK SL8 & G36 Top Rail Screw This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...HKP-16390$14.95 -
H&K HK SL8-1 Incomplete Locking Lever
H&K Heckler & Koch
$9.95H&K HK SL8-1 Incomplete Locking LeverHKP-16367$9.95 -
H&K MP5 40/10 3 Position Navy Trigger Group
H&K Heckler & Koch
$2,499.95HK German MP5 40/10/ 3 Position Navy (0,1,F) Trigger Group This Trigger Group Is A Factory Push Pin Safe, Semi, Full Navy Ambidextrous 3 Position Trigger Group For Registered Push Pin MP5's. This Trigger Group Can Also Be Used For Registered Sear...HKP-00448$2,499.95 -
H&K MP5 40/10 Magazine Follower
H&K Heckler & Koch
$19.95H&K MP5 40/10 Magazine Follower A perfect replacement part for all HK MP5 40/10 magazines.HKP-01635$19.95 -
H&K MP5 40/10 Recoil Rod Bushing - Black
H&K Heckler & Koch
$9.95New HK German MP5 40/10/.357 Recoil Rod Guide Ring Bushing - Black For all MP5 40/10 & MP5F Recoil Rods. These will wear and become brittle and torn with age and use. A great item to have on hand for spare parts.HKP-00441$9.95 -
H&K MP5 9mm Parts Kit 100% German - A2 Stock & SEF Lower
H&K Heckler & Koch
$2,599.95HK German MP5 9mm Used Parts Kit Complete (Minus Receiver) All MP5 Kits Include: HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto 2 small and 1 large Push Pin 30-Round Curved...HKP-00771$2,599.95 -
Out Of Stock
H&K MP5K/SP5K/SP89 Semi-Auto 3 Position Trigger Group- Clipped & Pinned
H&K Heckler & Koch
$1,099.95HK Semi Auto 3 Position Trigger Group- Clipped & Pinned This HK 3-position trigger housing will give the look and feel of a full auto 3-position trigger group but is set in a semi-auto trigger pack. All HK German Genuine parts. Compatible With: HK...HKP-00186$1,099.95 -
Out Of Stock
H&K SL8/SL8-6 Bolt Head Stripped-Used
H&K Heckler & Koch
$99.95HK German SL8 Stripped Bolt Head - Used HK German factory SL8 bolt head complete. Proof marked and date coded. Compatible With: SL8 and G36 rifles for single stack mag use.HKP-01184$99.95