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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Out Of Stock
H&K MSG90 (7.62x.51/.308) 2 Position (0,1 Pictogram) Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K MSG90 (7.62x.51/.308) 2 Position (0,1 Pictogram) Trigger Housing - Clipped & Pinned This clipped and pinned semi-auto trigger housing is designed for the MSG-90 rifle. It is compatible with 2-position 0,1 semi-auto style trigger packs,...HKP-00539$0.00 -
Out Of Stock
H&K PSG1/MSG90 Forearm
H&K Heckler & Koch
$0.00HK German PSG1, MSG90 Forearm New HK German & Hard To Find. Perfect For The PSG1, MSG90 Conversions. We have many other PSG1 items available such as the PSG1 cocking tube, trigger group, stock etc.The PSG1 forearm will only work with the addition of...HKP-00529$0.00 -
H&K UMP (9mm) Magazine Spring - 30 Round
H&K Heckler & Koch
$14.95H&K UMP (9mm) Magazine Spring - 30 Round Perfect for spares and to have on hand as these are a consumable part.HKP-16563$14.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever Support Tube
H&K Heckler & Koch
$19.95HK UMP & USC Cocking Lever Support TubeHKP-01883$19.95 -
H&K USC (.45 ACP) Lower Locking Lever Axle
H&K Heckler & Koch
$8.95HK USC Lower Locking Lever Axle A great item to have on hand as spares. New German HK. Compatible With: All USC lowersHKP-16376$8.95 -
HK 416, MR556 Roll Pin for Charging Handle - HKP
$7.95HK 416, MR556 Roll Pin for Charging Handle - HKP This is the shorter one that is used on the inside of the charging handle. There are two of these pins used per charging handle.HKP-16536$7.95 -
HK MP5K, SP5K, SP89 Vented Vertical Forearm w/ Handstop - Black
HKP HK Parts
$44.95MP5K, SP5K, SP89 - Vented Vertical Forearm with Handstop Each forearm will fit the MP5K or SP89 style of firearms. As an added bonus this item counts as a US made part toward 922r compliance. This is the finest forearm available for your HK firearm. Made...HKP-19498$44.95 -
HKP 10 Round MP5 .22LR Magazine Spring
HKP HK Parts
$3.95HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...HKP-20297$3.95 -
HKP HK MP5 (.40 S&W) Locking Roller +6
HKP HK Parts
$11.95HK US MP540 Locking Roller, +6 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to...HKP-17565$11.95 -
On Sale
HKP HK SP5 Navy Binary Trigger Group - Engraved - RAL 8K - BLEMISHED
FA Franklin Armory / HKP
Now: $899.95Was: $1,499.95HKP HK SP5 Navy Binary Trigger Group - Engraved - RAL 8K - BLEMISHED PLEASE NOTE: SOLD AS-IS DUE TO THE PICTOGRAM PAINT BEING BLEMISHED - SEE PHOTOS. 3 Position Navy style Engraved Pictograph – HK Binary Trigger Group Our latest and...HKP-21293-BNow: $899.95Was: $1,499.95 -
On Sale
HKP Leather Key Chain - Brown G3
HKP HK Parts
Now: $9.95Was: $14.95HK Parts - Leather Key Chain - Brown G3 Now offering these high quality, handmade German artisan leather keychains. Be sure to check out our other color options.HKP-20657Now: $9.95Was: $14.95 -
Out Of Stock
HKP MP5 40/10 Trigger Group 2 Position Housing (0,1) - Safe/Semi Only - Clipped & Pinned
HKP HK Parts
$529.95MP5 40/10 Trigger Group 2 Position Housing 0,1- Safe, Semi Only Finally a lower cost alternative to the spendy & rare all-German HK FBI or 0,1 ambidextrous trigger group in a 2 position factory German HK housing. Each trigger group features a...HKP-17248$529.95 -
HKP MP5 40/10 Trigger Group 3 Position Navy Housing (0,1) - Safe/Semi Only - Clipped & Pinned
HKP HK Parts
$529.95HKP MP5 40/10 Trigger Group 3 Position Navy Housing (0,1) - Safe/Semi Only - Clipped & Pinned Finally a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 4 position Navy factory...HKP-17247$529.95 -
HKP V51 Fixed Stock - USA
HKP HK Parts
$349.95HKP V51 Fixed Stock - USA Finally after years of unobtainable replacement stocks for your Vector V51 firearm we now have available a new PTR A2 stock section with our V51 backplate. We take a like new back plate and convert it into a V51 style backplate...HKP-21269$349.95 -
On Sale
JMAC HK G36/HK33 Muzzle Device - Threaded 15x1
JMAC Customs
Now: $77.95Was: $99.95JMAC HK G36/HK33 (5.56/.223) Muzzle Device - Threaded 15x1 The RRD-360 Muzzle Device from JMAC Customs is unlike others on the market today. This device vents gasses 360 degrees away from your muzzle requiring less effort from the shooter to...HKP-21258Now: $77.95Was: $99.95 -
JMAC Universal Picatinny 9" Stock with 1913 Folding Mech - Black
JMAC Customs
$309.90JMAC Universal Picatinny 9" Stock with 1913 Folding Mech - Black Feautures: NEW Integrated Rubber Buttpad!! 2x Integrated QD Sling Socket 9" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...HKP-21242-BL$309.90 -
On Sale
Magpul HK MP5 AR Match Trigger Group
Magpul
Now: $549.95Was: $649.95Magpul AR Match Trigger Group for HK MP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5-AR style match trigger group. This trigger group is a drop-in...HKP-20666Now: $549.95Was: $649.95 -
MI HK MR556/416 M-LOK Compatible 13.5" Carbine Handguard
MI Midwest Industries
$269.74MI HK MR556/416 M-LOK Compatible 13." Carbine Handguard Features: Made in the USA Simple installation, direct replacement for HK factory handguard Retains factory barrel nut Mil-spec top rail Seven sides of M-LOK compatible slots Lightweight, rugged...HKP-18437$269.74 -
PTR HK 91/G3 (7.62x51/.308) Semi-Auto Bolt Carrier
PTR
$249.95New US Made HK91, HK G3, PTR-91 Bolt Carrier - Semi Auto Carrier This part is made to exact H&K specs and with the same material. PTR uses HK factory blueprints for manufacturing and quality control. Manufactured at the PTR facility here in the...HKP-01461$249.95 -
Out Of Stock
PTR HK G3/91 (7.62x51/.308) Match Grade Barrel - Threaded 15x1
PTR
$199.95PPTR HK G3/91 (7.62x51/.308) Match Grade Barrel - Threaded 15x1 Each barrel is current PTR production and has the proper number and depth of flutes for optimum functionality. This barrel is a medium contour barrel that is larger in diameter than a...HKP-00873$199.95 -
PTR HK MP5K/SP89 9mm Tactical Low Profile Handguard
PTR
$74.95PTR HK MP5K/SP89 9mm Tactical Low Profile Handguard The new modular tactical forearm will allow the addition of 2" rails. You can choose between the left, right, and bottom. Made from 100% aircraft-grade aluminum and steel components. The handguard also...HKP-14539$74.95 -
Streamlight TLR-3 Tactical Light
Streamlight
$149.95Streamlight, TLR-3, Tactical Light, C4, 170 Lumens, Black Finish, with Batteries Features: Powered by one CR123A battery IPX7 waterproof Impact resistant polymer body Ambi, multi-function momentary/ steady on-off switch White LED Light Ultra lightweight...HKP-16919$149.95 -
Troy Industries Rear Battle Sight - Black
Troy Industries
$129.95Troy Industries Rear Battle Sight - Black Durability and dead-on accuracy have made the Troy Industries Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Easy to install and deploy, with no levers or springs to...HKP-00032$129.95 -
Out Of Stock
B&T HK G36/G36K NAR Mounting Rail
B&T Brugger & Thomet
$339.95B&T HK G36/G36K NAR Mounting Rail with Emergency Sight B&T NAR (picatinny compatible) mounting rail for HK G36/G36K with emergency sight. Compatible With: HK G36 HK G36KHKP-21529$339.95 -
B&T HK UMP (.40 S&W & .45 ACP) 5 Prong Flash Hider
B&T Brugger & Thomet
$129.95B&T HK UMP (.40 S&W & .45 ACP) 5 Prong Flash Hider Each flash hider includes the proper quick detach system to take the flash hider on and off. Each flash hider features a 5 prong design. Specifications: Diameter Max 31 mm Length Max 73...HKP-16891$129.95 -
B&T HK416, HK MR223 M-LOK Handguard (11") with Overgrip - Black
B&T Brugger & Thomet
$279.95B&T M-LOK Handguard OG for HK416/MR223 (11") with "Overgrip" Free-cut Top Rail B&T's one-piece 11-inch M-LOK handguard for the Heckler & Koch HK416 and civilian equivalent MR223 is an amazing improvement for the combat value of these rifles...HKP-20403$279.95 -
Fero Z51 Claw Mount Adapter
BRAND A.R.M.S., Inc
$9.95Claw Mount Adapter - German - Surplus - Z51HKP-19532$9.95 -
Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – Ambi 3 Position Housing
FA Franklin Armory
$1,899.95Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – Ambi 3 Position Housing 3 Position – pictogram – HK binary trigger group Binary triggers count as 4 922r compliant components. The components that count towards 922r...HKP-19182-M$1,899.95 -
GSG9 HK G36/SL8 (5.56/.223) Barrel Retaining Nut
GSG9
$53.00HK G36 & SL8 Barrel Retaining Nut - USA Made in the USA. Compatible With: SL8 (all models & variants) G36E G36K G36C All other G36 VariantsHKP-18252$53.00 -
Out Of Stock
H&K 21 (7.62x51/.308) Countersunk Screw - 6x12MM
H&K Heckler & Koch
$4.95HK 21 Countersunk Screw - 6x12MMHKP-16424$4.95 -
On Sale
H&K 4 Position Burst To 0,1 Only - Conversion Selector Lever Set
H&K Heckler & Koch
Now: $149.95Was: $179.95HK 4 Position Burst To Semi ONLY Conversion Selector Lever Set - German HK The German HK selector lever set will allow the use to convert the following: 0,1,3,F Trigger packs 0,1,2,F Trigger packs To safe, semi only as far as the way the selector...HKP-17996Now: $149.95Was: $179.95 -
On Sale
H&K 90 Series Trigger German HK - Refinished
H&K Heckler & Koch
Now: $9.95Was: $19.95Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsHKP-20678Now: $9.95Was: $19.95 -
H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Internal Buffer With Break Springs
H&K Heckler & Koch
$17.95HK German G3, 91, PTR & HK 33, 93 Internal Buffer Brake Spring New HK German Brake Springs for the standard buffer found on the HK G3, 91, PTR & HK93, 33, 53 rear stocks. Compatible With: All standard A2 fixed stock buffersHKP-17424$17.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Vinyl Mag Pouch
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ New Vinyl Mag Pouch Combo deal: 2 X 20 round aluminum magazines with new green vinyl mag pouch. Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308...HKP-16324$49.95 -
H&K 93/53/33 (5.56/.223) Firing Pin
H&K Heckler & Koch
$69.95H&K 93, 53, & 33 (5.56/.223) Firing Pin This is the factory-correct HK German firing pin and is a great replacement part. This is also a great upgrade for your HK 223.556 clones. This part is no longer available from HK as this part is out of...HKP-00192$69.95 -
H&K Central Buttstock Section - HK Green
H&K Heckler & Koch
$34.95H&K Central Buttstock Section - HK Green This stock section is no longer being manufactured as the G3 and HK91 are out of production. PLEASE NOTE: These units have handling marks and the price has been set accordingly.HKP-16987$34.95 -
H&K HK 416/MR556 Commercial Factory German E2 Rear Stock - Black
H&K Heckler & Koch
$249.95HK 416, MR556 Factory German E2 Rear Stock - Commercial HK German Stock For All HK 416, MR556 Rifles The HKE2 Buttstock fits Commercial buffer tubes (receiver extensions) for M4/AR15 type weapons and has the concave style removable buttpad installed...HKP-18360$249.95 -
Out Of Stock
H&K HK G36, HK UMP, HK USC, HK SL8 Lower Compression Spring
H&K Heckler & Koch
$7.95HK G36, SL8, USC, & UMP Compression Spring For Index Plate - LowerHKP-01865$7.95 -
H&K HK G36, SL8 Red Dot Kit For Dual Optic
H&K Heckler & Koch
$899.95HK G36, SL8 Red Dot - Brand new HK German OEM Factory HK G36/SL8 top red dot brand new with factory battery installed. This is a top red dot section for the Red Dot. This can be used to replace worn or broke dual optics as well as it could be made...HKP-19552$899.95 -
H&K HK G36/SL8 Sling Pin Forearm Retaining Clip
H&K Heckler & Koch
$8.95HK G36 & SL8 Sling Pin Retaining Clip Compatible With: HK G36 HK G36K- older version only HK SL8-1 , SL8-6 Factory ForearmHKP-16366$8.95