Stocks / Braces / Slings
Explore our premium selection of HK-specific stocks, braces, and slings at HKParts, designed to enhance comfort and functionality for a variety of HK models. Our offerings include adjustable braces, tactical slings, and folding stocks, perfect for upgrading your HK MP5, HK416, or UMP. Whether for tactical use or recreational shooting, our durable and versatile accessories provide superior firearm support and stability.
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Ergo AR-15 Castle Nut For Buffer Tubes
Ergo
$5.95Ergo AR-15 Castle Nut For Buffer Tubes - US Made Steel Castle-nut for AR buffer tubes fits both mil-spec and commercial buffer tubes alike. Compatible With: HK MR556 & 416 AR-15 style platformsHKP-02729$5.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock Complete - Black - Surplus
H&K Heckler & Koch
$129.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts to be a complete stock ready to use on your HK G3, 91,...HKP-18936$129.95 -
H&K MP5K/SP89/SP5K 9mm End Cap
H&K Heckler & Koch
$99.95HK Factory German MP5K, SP-89, & SP5K End Cap With Sling Swivel Each pistol end cap is OEM HK German MP5K and MP5K-N and has the HK German factory buffer. Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K Clone Or Other Custom BuildsHKP-00394$99.95 -
HKP HK MP5K QD End Cap with Buffer - Black
HKP HK Parts
$44.95Quick Detach MP5K, SP-89 Steel End Cap With Replaceable Rubber Buffer Compatible With: MP5K SP89 Clone or other custom buildsHKP-20117$44.95 -
HKP HK MP5 .22LR Stock Adapter
HKP HK Parts
$99.95 - $109.95Stock Adapter - HK MP5 .22 LR Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your valuable firearm...HKP-20795-M$99.95 - $109.95 -
H&K Bungee Single Point Sling - 1250mm Long
H&K Heckler & Koch
$109.95H&K Bungee Single Point Sling - 1250mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...HKP-17604$109.95 -
SB Tactical HK MP5 .22LR Folding Brace - Skeletonized
SB Tactical, HKP HK Parts
$249.95Side Folding Brace For The HK MP5 .22 model A drop in folding brace for your MP5 .22 model pistol. Made from aircraft grade aluminum, QD sling attachment point and a beautiful anodize finish. This is the finest option for your MP5 .22 pistol. Available...HKP-21053$249.95 -
HK Parts MP5K Folding Stock Buffer
HKP HK Parts
$9.95HK Parts MP5K Folding Stock Buffer This item used to replace the factory HK buffer on MP5K folding stocks and end cap. This is only usable on the factory OEM stock and end cap. This buffer can also be used as a replacement buffer for all of MP5/MP5K...HKP-20833$9.95 -
Magpul HK 91 MOE PR Stock
Magpul
$199.95Magpul HK 91 MOE PR Stock The MOE PR is a full-size carbine stock that blends the simplicity of the legacy MOE carbine stock with design lines reminiscent of the PRS Lite. These similarities naturally incorporate some of the features found on the PRS...HKP-21198$199.95 -
H&K German Leather Sling - Used-Very Good
H&K Heckler & Koch
$59.95Original Surplus German HK Leather 2 point sling - Used- Very Good Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in good shape overall. Made with leather straps and steel hardware and HK sling hook. Last of the...HKP-20345$59.95 -
HKP HK91, G3, PTR91 2 Point Leather Sling - Dark Brown
HKP HK Parts
$49.952 Point Leather Sling - Dark Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan and made in the USA. Made from quality USA...HKP-20271$49.95 -
HKP Single Point Leather & Cotton Sling
HKP HK Parts
$59.95Single Point Leather & Cotton Sling Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a...HKP-21321-M$59.95 -
MM Fixed Stock Heavy Rubber Buttpad
Michaels Machines
$79.95MM Fixed Stock Heavy Rubber Butt pad This part gives a larger surface area to spread the recoil absorption with a wider surface (less felt recoil). It adds an aggressive look and feel to your HK and is US-made with a lifetime warranty by the...HKP-00914$79.95 -
Out Of Stock
H&K HK MR556/416 Mil-Spec German E1 Rear Stock - Black
H&K Heckler & Koch
$0.00H&K HK MR556 & 416 Mil-Spec German E1 Rear Stock - Black The HK E1 Buttstock fits mil-spec buffer tubes (receiver extensions) for M4/AR15-type weapons. Each stock comes with the convex buttpad as found on factory-issued HK 416s. Compatible...HKP-00052$0.00 -
B&T Sling Swivel - Universal Picatinny Attachment
B&T Brugger & Thomet
$29.95B&T Sling Swivel - Universal Picatinny Attachment Designed for H&K snap-hooks, mounts to any M1913 Picatinny Rail. Strong non-marring silent attachment point. Specifications: Color: Black Height max: 16.3 mm Length max: 12 mm Length of...HKP-16893$29.95 -
B&T HK MP5 Folding Stock with HK Parts Adapter
B&T Brugger & Thomet
$277.95B&T Folding Stock for All MP5 Full Size Variants Swiss made B&T folding stock completely assembled With our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Compatible With: MP5 (NOT...HKP-20216$277.95 -
B&T HK SP5 Folding Stock w/ HK Parts Adapter
B&T Brugger & Thomet
$299.95B&T Folding Stock with HK Parts Adapter - SP5 B&T stock with a SP5 HK Parts Adapter. The HK Parts adapter is made from a solid billet of CNC machined aircraft grade aluminum and offers a QD attachment point. Finished in black cerakote. This will...HKP-20663$299.95 -
H&K Ambidextrous Sling Pin Locking Knob
H&K Heckler & Koch
$11.95New HK German Ambidextrous Sling Pin Locking Knob These are common replacement items, they can become loose as the O-ring wears and falls off. Be sure to order extra O-rings to avoid losing the locking nut. This is a common replacement part for those...HKP-01042$11.95 -
Snap Hook 1" - Universal
USA
$4.95Snap Hook 1" This is a 1" HK-style snap hook for sling or other custom projects. We also offer 1.25" HK sling hooks, as these are great spare parts to have on hand.HKP-00730$4.95 -
H&K HK G36, HK SL8 Ambidextrous Sling Pin
H&K Heckler & Koch
$49.95HK German G36/SL8 Ambidextrous Sling Pin This part replaces all of the HK SL8 or G36 push pins with a loop for the sling. This can be moved to attach a sling on either the left or right sides with ease.HKP-00619$49.95 -
Out Of Stock
H&K HK MP5, HK 416, GSG5 .22LR Sling - Black
H&K Heckler & Koch
$0.00HK 416, HK MP5 & GSG5 .22LR Sling This is a factory HK-manufactured sling perfect for HK weapons systems, including .22LR models. Each unit comes with 2 HK German sling hooks or ambi use, as well as a quick detach buckle. This part is fully...HKP-00893$0.00 -
HKP MP5 End Cap with Sling Swivel
HKP HK Parts
$84.95HK Alloy Pistol End Cap with Sling Swivel Made from solid billet aircraft grade aluminum with the HK German sling loop and rubber heavy duty H buffer. With the alloy construction this unit will not break like the plastic end caps. Compatible...HKP-18138$84.95 -
SB Tactical HK MP5K, HK SP89, HK SP5K Side Folding Brace w/ HK Parts Adapter
SB Tactical
$229.95Side Folding Pistol Stabilizing Brace with HK Parts Adapter - HK MP5K, SP89, SP5K & Clones Side Folding Pistol Stabilizing Brace with HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum...HKP-19451$229.95 -
H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - OD Green - Hand Picked
H&K Heckler & Koch
$84.95Original G3, 91, PTR German Army Used Surplus O.D. Green Stock Set - Complete Factory HK German Production. Each stock set is used but in perfect working order. Each set was hand picked and the best sets we have in stock. Includes: Slimline...HKP-18237$84.95 -
HKP MP5K Folding Stock Adapter - Black
HKP HK Parts
$139.95HK Parts Adapter for Side Folding Stock – HK MP5K, SP89, SP5K & Clone The HK Parts folding stock adapter is the best option to attach onto the UMP style stock or the B&T folding stock. Will also work on any other stocks that...HKP-20799$139.95 -
On Sale
HKP MP5 AR Stock, Brace Adapter
HKP HK Parts
Now: $99.95Was: $114.95HK MP5, HK93 Style AR, M4 Stock & Brace Adapter Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the...HKP-17118Now: $99.95Was: $114.95 -
MKE AP5-M Sling Complete
MKE
$34.99MKE AP5-M Sling Complete Features: Factory MP5 Sling Fits AP5-M and AP5-P Pistols 2 Point SlingHKP-21186$34.99 -
On Sale
MP5, SP5 - A2 Fixed Stock-Green
Michaels Machines
Now: $149.95Was: $199.95MP5 A2 Fixed Stock - USA - OD GREEN Each stock counts as one US made 922r compliant part. Simply the best US made MP5 stock featuring a rubberized backplate that reduces felt recoil as well as carrier abuse. Ideal for use with +P ammunition or MP5 40/10...HKP-18804Now: $149.95Was: $199.95 -
B&T TP9/MP9/KH9/P26 Folding Stock Assembly Complete - Black
B&T Brugger & Thomet
$167.45B&T TP9/MP9/KH9/P26 Folding Stock Assembly Complete - Black Swiss B&T manufactured Tactical Folding Stock Assembly for the TP9, MP9, KH9 & P26. Includes: Main stock assembly (BT-30234) Folding stock axle (BT-30116) Release button...HKP-17298$167.45 -
Magpul MS3 Sling - Gen 2 - Black
Magpul
$49.95Magpul MS3 Sling - Gen 2 - Black Magpul Industries MS3- Multi Mission Sling System Sling Black AR Rifles 1 or 2 Point Sling.HKP-13727$49.95 -
Magpul/HKP HK SP5K ACR Stock
Magpul
$579.95HK SP5K ACR Stock Our aircraft-grade aluminum SP5K ACR adapter is now offered in this combo stock unit. Pre-installed and ready to drop in. With this SP5K ACR combo stock you will add the capability of an adjustable cheek rest and length of pull...HKP-20826-M$579.95 -
On Sale
SB Tactical Pistol Stabilizing Brace w/Hex Buffer Tube, Universal
SB Tactical
Now: $69.95Was: $109.95SB Tactical Pistol Stabilizing Brace w/Hex Buffer Tube, Universal The SB-MINI Kit provides the ultimate minimalist solution for buffer tube compatible Pistol Stabilizing Braces. The Kit includes the Phase5 Hex-2 tube machined specifically to...HKP-20478Now: $69.95Was: $109.95 -
HKP MP5K SEF 5-Position Telscoping Stock - PDWC
HKP HK Parts
$499.95HKP MP5K 9mm 5 Position Telscoping Stock - PDWC The stock rails collapse along the top ridge of the grip frame for the lowest profile stock ever produced for the MP5 family of firearms. Made in the USA. Includes: 5-position stainless steel nitrided...HKP-17825$499.95 -
HKP Rifle Rubber Buttpad For Wooden Stocks - Enhanced
HKP HK Parts
$29.95Butt Pad For Wooden Stocks - Enhanced Rubberized Buttpad The enhanced rubberized butt pad is a direct replacement to a standard fixed stock butt pad that can be replaced and upgraded in seconds. This buttpad provides a softer rubberized surface for...HKP-17667$29.95 -
Out Of Stock
HKP 2 Point Leather Sling - OD Green
HKP HK Parts
$49.95HKP 2 Point Leather Sling - OD Green These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and...HKP-20164$49.95 -
Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green
Michaels Machines
$199.95Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green US Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad in OD Green. Just add your buffer & backplate and you are good to go. Great...HKP-19041$199.95 -
SB Tactical - B&T - HK MP5K Swiss Folding Brace - Skeletonized
SB Tactical, B&T Brugger & Thomet
$239.95SB Tactical - B&T - HK MP5K Swiss Folding Brace - Skeletonized Factory Swiss B&T MP5K, SP5K folding pistol brace with the SB tactical/ B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with...HKP-21054$239.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent
H&K Heckler & Koch
$36.95H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent Handpicked best condition available. Comes with matching buttpad. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be...HKP-18497$36.95 -
H&K Leather Sling - Used
H&K Heckler & Koch
$49.95Original Surplus German HK Leather 2 point sling Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in excellent shape overall. Made with leather straps and steel hardware and HK sling hook. Compatible With: HK91 G3 ...HKP-16316$49.95 -
H&K MP5 A3 Stock - Surplus - Good Condition
H&K Heckler & Koch
$578.95Military German manufactured A3 Retractable Stock - Used Each Used German HK stock will vary from Fair-Good Shape (early 80's manufacture) A one time offering of some well used German military stocks that need some TLC and a refinish to get them looking...HKP-16659$578.95