Handguards / Forearms / Foregrips
Explore our extensive selection of HK handguards, forearms, and foregrips designed to enhance the functionality and aesthetics of your HK firearms. From ergonomic grips to customizable rail systems like M-LOK and Picatinny, our products offer precision, durability, and tactical superiority. Perfect for upgrades or replacements, these components are tailored for popular models like the HK MP5, HK416, and HK G36, ensuring perfect compatibility and improved performance.
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PWS Keymod Bipod Adapter for Harris Style Bipods
PWS Primary Weapon Systems
$21.95Keymod Bipod Adapter for Harris Style Bipods The Harris Style Bipod Mount is quick to install and easy to use. Fits snug to your KeyMod or PicMod handguard and ensures a stronghold on your Harris Bipod.HKP-19272$21.95 -
H&K HK MP5 & HK94 Slimline Forearm - FDE
H&K Heckler & Koch
$69.95H&K HK MP5 & HK94 Slimline Forearm - FDE These forearm started as a G3, HK91 length forearm and was machined to fit the HK 93,33, cleaned up and cerakoted FDE for the best finish possible. Available exclusively at HK Parts. Compatible...HKP-20486$69.95 -
Out Of Stock
H&K HK MR556/416 Standard Length Quad Rail Black
H&K Heckler & Koch
$0.00HK 416, MR556 Quad Rail- Standard Length HK German HK416 & MR556 quad rail complete that includes HK 416/MR556 Handguard Screw. This handguard can also be installed on the CR556 models as well. Compatible With: HK 416 HK MR556 HK CR556HKP-02546$0.00 -
H&K MR556/416 Forearm Front Folding Sight - BRN
H&K Heckler & Koch
$597.95HK 416A5 9" Quad Rail With Flip Up Front Sight - BRN Latest production HK 416A5, MR556 9" quad rail with integrated built in front flip up sight. Latest upgraded design with the laser markings for the adjustable gas block for suppressed and...HKP-17680$597.95 -
HKP HK G36K Forearm - FDE
HKP HK Parts
$109.95HK G36K Forearm With Hand Stop & Heat Shield HK G36K length latest production HK G36K handguard with built in heat shield. Each unit features a built in hand stop with sling attachment points. Built in hard mounting points for adding picatinny rails...HKP-19301$109.95 -
HKP HK MR556/CR556/MR762 H-Key 14 Rail Segment
HKP HK Parts
$39.95HKP HK MR556/CR556/MR762 H-Key 14 Rail Segment 14 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and similar models...HKP-17846$39.95 -
HKP HK MR556/CR556/MR762 H-Key 17 Rail Segment
HKP HK Parts
$44.95HK MR556, CR556 & MR762 HKey Rail Segment - 17 Slot 17 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and...HKP-17847$44.95 -
KDG HK MR556 13.75" M-LOK Rail System - FDE
KDG Kinetic Development Group
$399.95Rail System - 13.75" - Brown - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their big brother, the KDG HK 762 M-LOK Rail system. Like...HKP-19243$399.95 -
On Sale
Sig Sauer SIG MCX Low Profile Handguard - Black
Sig Sauer
Now: $77.95Was: $129.95Sig Sauer SIG MCX Low Profile Handguard - Black Features: Black 8.15 in Low Profile KeyMod AluminumHKP-18802Now: $77.95Was: $129.95 -
Surefire Infrared Filter For Lighted Forearms
Surefire
$64.95Surefire Infrared Filter For Lighted ForearmsHKP-16992$64.95 -
H&K HK G36, HK SL8, HK 243 Handguard - Black
H&K Heckler & Koch
$399.95HK German Sl8, G36 & HK243 Aluminum Handguard - IDZ New latest production HK G36, SL8 & HK243 forearm. This handguard offering is made entirely out of aluminum. This is the most robust forearm HK makes or that is available. This was designed for...HKP-17708$399.95 -
H&K HK G36C Extended Bottom Rail - Black
H&K Heckler & Koch
$99.95HK German Extended Bottom Rail For Forearm This part provides a full-length mounting rail along the entire bottom of the G36C Forearm. This item is factory HK and comes with all mounting hardware required for the installation.HKP-01648$99.95 -
H&K HK MP5K Slimline Forearm - Black
H&K Heckler & Koch
$49.95H&K HK MP5K Slimline Forearm - Black Used German military slimline forearm refinished in a black cerakote . Cut down to fit the MP5k. These are rare items only offered here at HK Parts. Each item is in good to excellent shape. Compatible...HKP-20275$49.95 -
H&K MP5K/SP89/SP5K 9mm Key Mod Handguard
HKP HK Parts
$89.95HK MP5K, SP89 Low Profile Forearm KEYMOD The Key MOD tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your shooting needs...HKP-17177$89.95 -
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 -
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 -
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 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 -
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 -
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 -
H&K HK G36C Forearm - Black
H&K Heckler & Koch
$139.95HK German G36C Handguard With Heat Shield & Hand Stop Each unit features the hand stop locations for adding rails to the left, right, and bottom should you choose to. Compatible With: HK G36C HK SL8-G36C conversionsHKP-00620$139.95 -
H&K Universal Harris Bipod Adapter
H&K Heckler & Koch
$199.95HK Factory Harris Bipod Adapter - Low Profile This adapter is to attach the Harris bipod to any Picatinny rail. It is compatible with all Picatinny railed forearms or applications. A new HK German manufactured part made for the HK 416, MR556, HK417...HKP-01852$199.95 -
$249.95 -
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 -
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
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 Universal Harris Bipod Adapter - RAL 8000
H&K Heckler & Koch
$199.95HK Factory Harris Bipod Adapter - Low Profile - RAL 8000 This adapter is used to attach the Harris bipod to any Picatinny rail. Fits all picatinny railed forearms or applications. Features the lowest profile of any bipod adapter we have encountered with...HKP-17750$199.95 -
HKP 93/33 (5.56/.223) Key Mod Handguard
HKP HK Parts
$129.95HK93, 33 & PTR Low Profile Key Mod Forearm The KeyMod tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your shooting...HKP-17179$129.95 -
HKP HK 91/G3 (7.62x51/.308) Key Mod Handguard
HKP HK Parts
$149.95HK G3, HK91 & PTR Low Profile Key Mod Forearm The KeyMod tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your...HKP-17178$149.95 -
On Sale
Picatinny to Harris Bipod Adapter - Universal
HKP HK Parts
Now: $14.95Was: $33.95Harris Bipod Adapter This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-mounting bipods. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and...HKP-21528Now: $14.95Was: $33.95 -
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 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 -
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 MR762/417 Handguard Grooved Pin
H&K Heckler & Koch
$11.95H&K HK MR762/417 Handguard Grooved PinHKP-16822$11.95 -
HKP Extended Harris Bipod Adapter - Picatinny
HKP HK Parts
$19.95HKP Extended Harris Bipod Adapter Universal Picatinny rail Harris bipod adapterHKP-15374$19.95 -
Out Of Stock
PTR HK 91/G3 (7.62x51/.308) Slimline Forearm
PTR
$39.95New Slim Line HK91, G3, PTR Forearm- US Each forearm is a new US made offering made on the original HK tooling acquired by PTR91. Black in color, no internal heat shield. This hand guard also counts as 1 desirable US compliant part for your HK 91, G3...HKP-16251$39.95 -
VFC, Umarex HK 416 .22LR 9" Keymod Rail - RAL 8000
VFC/Umarex
$124.95VFC CALIBUR KEYMOD 9" RAIL - TAN The VFC Handguard is an ultra-lightweight Key-Mod rail for the HK416 .22 model. Specifications: Lightweight and modular 6 mm rail Tan 9 inchHKP-19304$124.95