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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On Sale
TPM - Grenade Bolt Knob - Black
Tactical Precision MFG
Now: $24.75Was: $48.99TPM - Grenade Bolt Knob - Black TPM grenade bolt knobs are a great way to dress up any rifle. It has a great feel and looks fantastic. Features: Dimensions: 1.90" x 7/8" x 7/8" Weight: 2 oz. Threading: 5/16x24 Made in the USA Compatible...HKP-20770Now: $24.75Was: $48.99 -
On Sale
TPM Grenade Bolt Knob – Bronze
Tactical Precision MFG
Now: $28.50Was: $37.99TPM Grenade Bolt Knob – Bronze These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions: 1.90″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16×24HKP-20909Now: $28.50Was: $37.99 -
Out Of StockOn Sale
XrayGuns HK 33 Print
XrayGuns
Now: $19.95Was: $59.9510" X 20" High Resolution Black And White X-Ray Print Of The HK 33. These prints were developed by a radiologist who's passion for Heckler and Koch firearms inspired him to utilize his $750,000 CAT scanning machine to X-Ray his favorite firearms. ...HKP-16957Now: $19.95Was: $59.95 -
AIM HK 91 Carbine Length Handguard - Keymod
AIM
$69.95HK 91 CARBINE LENGTH HANDGUARD- KEY MOD This sleek streamlined design is an ultra low profile hand guard with generous mounting space to accept all Key Mod accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern...HKP-18178$69.95 -
Aimpoint Lower 1/3 Co-Witness T1 Mount
AIM
$13.95Aimpoint - T1 Mount - Lower 1/3 Co-Witness Features a machined recoil lug for consistent, repeatable mounting. Features: 6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series opticsHKP-19335$13.95 -
B&T HK MP5 - MBT Stock
B&T Brugger & Thomet
$594.95B&T HK MP5 - MBT Stock B&T MBT folding stock for HK MP5. Polymer stock and adapter. Features: 8 position length adjustment Telescoping cheek riser w/ 3 position height adjustment Folds to the right canted downward 3.5 degrees Locks...HKP-21422$594.95 -
B&T HK MP5K 3-Position Folding Adjustable Stock - Black
B&T Brugger & Thomet
$494.95B&T HK MP5K 3-Position Folding Adjustable Stock Swiss made B&T folding and length adjustable stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide. B&T AG...HKP-18243$494.95 -
B&T MP5, 94 Low Mount, Extra Long Scope Rail
B&T Brugger & Thomet
$239.95B&T MP5, 94 Low Mount, Extra Long Scope Rail Swiss made, military grade, B&T MP5 extra long low-profile scope mount. Requires the removal of the MP5 rear sight. Provides the longest possible Picatinny rail. Specifications: Color: Black Height...HKP-16881$239.95 -
B&T MP5, MP5 RS - Folding Adjustable 3 Position Stock
B&T Brugger & Thomet
$489.95B&T MP5, MP5 RS - Folding Adjustable 3 Position Stock Swiss made B&T folding and length adjustable stock for the HK MP5 and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide...HKP-18100$489.95 -
On Sale
B&T SIG SG 550/551/552 Mounting Rail - Long Version
B&T Brugger & Thomet
Now: $139.95Was: $259.95B&T Sig 550/551/552 Mounting Rail - Long Version A 27-slotted long rail manufactured for the Sig 550 series.HKP-17436Now: $139.95Was: $259.95 -
B&T TP9/MP9 Locking Bar Folding Stock - Black
B&T Brugger & Thomet
$19.95B&T TP9/MP9 Locking Bar Folding Stock - Black Locking Bar for Swiss B&T manufactured Tactical Folding Stock For The TP9 & MP9. Compatible With: TP9 MP9HKP-17302$19.95 -
Ergo KeyMod Hand Stop
Ergo
$51.95KeyMod Hand Stop/Barricade Stop in Black Aggressive textured front for enhanced traction on barricades and obstacles Features: Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Compatible With: All KeyMod style...HKP-17885$51.95 -
Ergo M-LOK Harris Bipod Mount
Ergo
$33.95M-LOK Harris Style Bipod Mount Features: Contoured to fit Harris-style bipods Black anodized 6061-T6 alum.HKP-17851$33.95 -
Geissele HK 416 10.5" M-LOK Handguard - DDC
Geissele
$468.95Geissele HK 416 10.5" M-LOK Handguard - DDC 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, rigidity...HKP-20225$468.95 -
Out Of Stock
GSG9 HK G36 (5.56/.223) Complete Bolt Head
GSG9
$0.00G36 Bolt Head - Complete - USA G36 Bolt Head allows the use of double stack magazines in your SL8 conversion to high capacity G36, Magpul or AR15 Magazines. Perfect for the G36 conversions or for a spare part to have on hand. Made in the USA from 9310,...HKP-18983$0.00 -
GSG9 HK G36C Complete Pistol Parts Kit
GSG9
$1,999.95HK G36C Pistol Parts Kit Complete - US Made Complete G36C Semi-Auto Parts Kit. Includes all parts needed for a complete build aside from the receiver. Click this link to complete your build with a DEFGUNZ DEF36 receiver. 922R Compliant...HKP-18647$1,999.95 -
GSG9 HK G36K Complete Parts Kit
GSG9
$1,999.95GSG9 HK G36K Complete Parts Kit Complete G36K Semi-Auto Parts Kit. Includes all parts needed for a complete build aside from the receiver. Click this link to complete your build with a DEFGUNZ DEF36 receiver. 922R Compliant Parts: Barrel Bolt...HKP-18648$1,999.95 -
H&K 2 Round Count Burst Wheel for 4 Position Trigger Packs
H&K Heckler & Koch
$119.95H&K 2 Round Count Burst Wheel for 4 Position Trigger Packs This wheel can be used to convert a 0,1,3, F to a 2-round burst rather than a 3-round burst option.HKP-02488$119.95 -
H&K 23E (5.56/.223) Belt Box
H&K Heckler & Koch
$499.95HK23E & MM23E Belt Box - German HK Brand new German HK23E, MM23E made feed box. The German units have long since been out of production so getting these new old stock German HK feed boxes is a windfall and a rare opportunity. Compatible With: HK 23E...HKP-18012$499.95 -
H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used
H&K Heckler & Koch
$18.99H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used Compatible With Magazines for the Following Applications: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 Other custom HK91/G3 style builds and clonesHKP-21555$18.99 -
Out Of Stock
H&K 93/53/33 (5.56/.223) Cocking Lever Axle Pin
H&K Heckler & Koch
$0.00New HK German 93, 33, & 53 Cocking Handle Axle Pin This is a new HK factory part made for the .223 HK rifle for the HK93/33/53, not surplus or a cut-down .308 part, as others offer. This part is the axle pin that holds the cocking handle in place on...HKP-01060$0.00 -
H&K 93/53/33 (5.56/.223) Match Trigger Pack With Enhanced Trigger - 4.5lb
H&K Heckler & Koch
$474.95H&K 93/53/33 (5.56/.223) Match Trigger Pack With Enhanced Trigger - 4.5lb HK German SEMI HK 93 .223 & 5.56 trigger pack complete with custom trigger conversion to a light target trigger & ultra-smooth 4.5-5.0 LB. pull Each trigger pack has...HKP-17590$474.95 -
H&K G36 (5.56/.223) 2 Round Burst Disconnector Axle
H&K Heckler & Koch
$10.95H&K G36 (5.56/.223) 2 Round Burst Disconnector AxleHKP-16350$10.95 -
H&K G36/MP7 (4.6x30/5.56/.223) Firing Pin Bolt O-Ring
H&K Heckler & Koch
$9.95HK G36 & MP7 Firing Pin - Bolt O-Ring Compatible With: HK G36 HK MP7HKP-01858$9.95 -
H&K G36/SL8 (5.56/.223) Barrel Retaining Nut
H&K Heckler & Koch
$29.95HK G36 & SL8 Barrel Retaining Nut - German HK Compatible With: SL8 (all models and variants) G36E G36K G36C All other G36 VariantsHKP-16341$29.95 -
H&K G36/SL8 (5.56/.223) Extractor Axle
H&K Heckler & Koch
$9.95HK G36 & SL8 Extractor Axle This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK SL8 modelsHKP-01895$9.95 -
H&K German Leather Sling - Well Used with No Loop
H&K Heckler & Koch
$39.80Original Surplus German HK Leather - Well Used with No Loop Pulled from German military G3 rifles. Last of the remaining units, get them before they are gone. Compatible With: HK91 G3 PTR91 & CETMEHK93 33 53HK94 MP5HK clones Other custom...HKP-20583$39.80 -
Out Of Stock
H&K HK 416, MR556, MR762 Battle Grip With Storage - FDE
H&K Heckler & Koch
$69.95H&K 416/417 & MR556/762 Battle Grip With Storage - FDE New HK German factory battle grip with a storage compartment in the bottom of the grip. Each grip will fit all AR-15/M-16 lower receivers as well. Superior fit & feel to any other grip on...HKP-19519$69.95 -
H&K HK 91/G3/PTR Fixed Stock Complete w/ Enhanced Heavy Buffer - Surplus - Black
H&K Heckler & Koch
$349.95German G3, 91, PTR Stock complete with Enhanced Heavy Buffer - Surplus Used black German stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts...HKP-20069$349.95 -
H&K HK G36 Right Side Lower Hammer Spring
H&K Heckler & Koch
$8.95HK G36 Right Side Lower Hammer SpringHKP-01857$8.95 -
Out Of Stock
H&K HK G36/SL8 Extractor Rubber Pin
H&K Heckler & Koch
$0.00HK G36 & SL8 Extractor Rubber PinHKP-02162$0.00 -
H&K HK MP5 9mm Complete Full Auto Bolt Group
H&K Heckler & Koch
$2,874.95H&K HK MP5 9mm Complete Full Auto Bolt Group This is a factory genuine HK German full auto bolt group compiled with the best German parts available for those that need the best parts on their beloved MP5. Last call on these as they are NLA and...HKP-21478$2,874.95 -
Out Of Stock
H&K HK MP5K Slimline Forearm - OD Green
H&K Heckler & Koch
$49.95H&K HK MP5K Slimline Forearm - OD Green Used German military surplus O.D green slimline forearm with heat shield cut down to fit the MP5k. These are rare items only offered here at HK Parts. Each item is in good to excellent shape and will clean up...HKP-20199$49.95 -
H&K HK MR556/416 Ejector Port Cover Pin
H&K Heckler & Koch
$14.95HK MR556 & 416 Ejector Port Cover PinHKP-02661$14.95 -
H&K HK MR556/416 Forward Assist Plunger Pin
H&K Heckler & Koch
$9.95H&K HK MR556/416 Forward Assist Plunger PinHKP-17542$9.95 -
H&K HK MR556/416 Front Sight Roll Pin
H&K Heckler & Koch
$4.95HK MR556 & 416 Front Sight Roll PinHKP-02659$4.95 -
H&K HK MR762 Firing Pin Retaining Pin
H&K Heckler & Koch
$19.95H&K HK MR762 Firing Pin Retaining Pin Compatible With: HK MR762HKP-16612$19.95 -
H&K HK MR762 Threaded Pin For Buttstock Insert
H&K Heckler & Koch
$4.95H&K HK MR762 Threaded Pin For Buttstock Insert HK MR762, HK 417 threaded pin for the buttstock release lever insert.HKP-16609$4.95 -
H&K HK MR762/417 Buttstock Complete Concave E2
H&K Heckler & Koch
$199.95HK MR762, HK 417 Buttstock Complete With Concave Buttpad E2 StyleHKP-16628$199.95 -
H&K HK MR762/417 Cylindrical Pin For Stop Pin
H&K Heckler & Koch
$9.95HK 417 & MR762 Cylindrical Pin For Stop Pin HK 2x18 mm pin designed for use with the rear take down pin detent and spring. Compatible With: MR762 HK 417HKP-16619$9.95