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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H&K German Recoil Guide Rod Rivet
H&K Heckler & Koch
$4.95H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...HKP-01026$4.95 -
On Sale
H&K MP5 , HK94 Factory A3 Stock
H&K Heckler & Koch
Now: $819.95Was: $939.95H&K MP5 & HK94 Factory A3 Stock The original Navy-style German HK MP5 A3 stock is no longer in production and is quite hard to find as they have been replaced with the MP5 F-style stock. Each offering is the second generation MP5 A3 Navy-style...HKP-00167Now: $819.95Was: $939.95 -
HKP MP5 A3 Retractable Stock Buffer
HKP HK Parts
$6.74MP5 A3 Retractable Stock "H" Buffer For All HK A3 Retractable Stocks The A3 stock buffer is a high wear and common replacement items that does need to be replaced when they become torn, cracked, brittle, discolored & worn. These units are made from...HKP-18160$6.74 -
HKP Spare Buffer For Folding Stocks & End Caps
HKP HK Parts
$9.95HKP Spare Buffer For Folding Stocks & End Caps New US manufactured flat style "H"buffer to replace the factory HK buffer on MP5K folding stocks and end caps. As well as a spare or replacement buffer for the MP5 & MP5K folding B&T stocks. Made...HKP-17886$9.95 -
B&T MP5 Folding Stock
B&T Brugger & Thomet
$325.00B&T Folding Stock For All MP5 Full Size Variants Swiss-made B&T folding stock for the MP5 & HK94. This is a military-grade stock as supplied by B&T to HK Germany. B&T Switzerland has supplied these to law enforcement and...HKP-00460$325.00 -
3 Point Factory Sling HK German - Green
$99.953 Point Factory Sling HK German - Green New HK German manufactured. This sling can be used as a 2-point or 3-point sling on your HK firearm. This sling is the factory HK-issued sling that came on the 90 series of firearms. Compatible...HKP-00182$99.95 -
On Sale
Gear Head Works Tailhook Mod 1 - Black
Gear Head Works
Now: $99.95Was: $129.95Gear Head Works Tailhook Mod 1 - Black The GHW Tailhook clamps to pistol buffer tubes or adapter spuds ranging from 1.17" to 1.2" in diameter. It features a limited rotation sling swivel QD socket as well. Weighing in at a scant 4.5 ounces, you will...HKP-19134Now: $99.95Was: $129.95 -
HKP HK MP5 .22 Sling Clip Kit - Black
HKP HK Parts
$24.95HKP HK MP5 .22 Sling Clip Kit - Black Each unit will fit all models of the MP5 .22 that have the 3 mounting holes on the left side of the magwell. This item installs in a few mins and comes complete with all you need for the install. With the addition of...HKP-15706$24.95 -
JMAC Customs HK MP5, HK SP5, HK 33 1913 Rail Stock, Brace Adapter - Black
JMAC Customs
$94.95Picatinny Stock/Brace Adapter - RSA-MP5 - HK SP5 Finally a way to mount 1913 stocks/braces to your favorite full-size MP5 clone! It has a Picatinny rail machined on the rear which allows you to install 1913 style stocks/braces. Cheek wield is...HKP-19305$94.95 -
H&K HK MR556/416 Tungsten Recoil Buffer
H&K Heckler & Koch
$79.95H&K HK MR556/416 Tungsten Recoil Buffer The proprietary tungsten HK-manufactured buffer is one of the reasons why the HK 416 and MR556 are as reliable as they are. This is the perfect addition to all AR/M16 uppers. Compatible With: HK MR556 HK...HKP-00041$79.95 -
H&K 3 Point Factory Sling
H&K Heckler & Koch
$69.95H&K 3 Point Factory Sling New HK German 3 point factory sling HK Black. Can be used as a 2 point or 3 point sling on your HK rifle. This sling is the factory HK issued sling. Never before offered as the 3 point slings have always been traditionally...HKP-18428$69.95 -
HKP UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
$11.95HKP USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear & replacement item and a must have for spare parts. Compatible With: HK USC .45 HK UMP modelsHKP-18746$11.95 -
PTR HK Mil-Spec AR Stock Adapter & Buffer Tube
PTR
$124.95PTR HK Mil-Spec AR Stock Adapter & Buffer Tube AR15 to HK 90 series stock adapter for AR15 stocks that includes the mil-spec buffer tube and castle nut to use any mil-spec AR15/M16 stock of your choice on your HK rifle or SBR build. With the adapter...HKP-16583$124.95 -
HKP HK MP5K/SP5K/SP89 Picatinny Rail Stock Adapter
HKP HK Parts
$129.95HKP HK MP5K/SP5K/SP89 Picatinny Rail Stock Adapter Our rail stock adapter allows you to attach any 1913 Style Stock, Brace to your MP5K.The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many traditional stock setups...HKP-21385-M$129.95 -
HKP HK 91/G3 (7.62x51/.308) Weldment Set Complete
HKP HK Parts
$79.95HK G3, HK91, PTR Weldment Set Complete New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each weldment set unit is precisely machined. Includes: Rear sight base Semi auto shelf 2 X rear...HKP-17509$79.95 -
H&K HK MR556/416 Slim Line Stock - Black
H&K Heckler & Koch
$249.95H&K HK MR556/416 Slim Line Retractable Stock - Black New from HK Germany the slim line retractable stock fits all commercial & mil-spec AR-15/M16 buffer tubes. Marked with the HK logo and issued on specialized HK 416, MR556 rifles. Compatible...HKP-16244$249.95 -
On Sale
HKP AR-15 Mil-Spec Buffer Tube
HKP HK Parts
Now: $14.95Was: $29.95Mil-Spec US Made Buffer Tube Compatible With: HK MR556 & 416 All AR-15 style platforms Features: Made From T7 7075 Aircraft grade aluminum 6 Position Made in the USA Each features a highly polished inside tube Black Mil-spec triple hard coat...HKP-02727Now: $14.95Was: $29.95 -
HKP HK MR762/417/G28 Buffer Tube Wrench - Black
HKP HK Parts
$29.95HKP HK MR762/417/G28 Buffer Tube Wrench - Black The perfect metric wrench to remove and install the MR762 & G28 castle nuts on the buffer tube. A perfect addition to have on hand for G28 buffer tube upgrades, etc. Made from all steel, heat treated...HKP-17111$29.95 -
B&T MP5 & HK94 UMP Style Folding Stock
B&T Brugger & Thomet
$279.95B&T MP5 & HK94 UMP Style Folding Stock New Swiss/German HK Made B&T Folding Stock for the MP5/ SP5 full size. These are hard to find and the real deal. 100% Swiss & German HK made. This is a military-grade stock. B&T Switzerland has...HKP-16928$279.95 -
SB Tactical, B&T HK MP5/SP5 Folding Brace
SB Tactical, B&T Brugger & Thomet
$279.95B&T MP5/SP5 Folding Brace - Swiss/US Factory Swiss B&T MP5, SP5 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 sling swivel slightly used...HKP-19353$279.95 -
H&K Sling Hook
H&K Heckler & Koch
$4.95H&K Sling Hook Great for HK sling projects and for spares. Used in great shape and the real deal. This is the sling hook that all others look up to. Hard to find. 1" sling hook for slings webbing, etc. Used in good condition and pulled from factory...HKP-16315$4.95 -
On Sale
MKE HK G3 Retractable Buttstock
MKE
Now: $299.95Was: $359.99MKE HK G3 Retractable Buttstock The Century Arms MKE Retractable G3 Buttstock is an easy-to-install replacement stock system for HK G3-style firearms. The simple lock/release system is easy to operate, allowing shooters to adjust the stock length...HKP-21182Now: $299.95Was: $359.99 -
On Sale
SB Tactical HK MP5 .22LR Folding Brace w/Billet Adapter
HK Parts / SB Tactical
Now: $199.95Was: $224.95SB Tactical Side Folding Brace with Billet Adapter for the HK MP5 .22 model: This is not your standard SB Tactical side folding brace. We pair the standard SBT brace with our own billet aluminum brace adapter to give you a more robust option over...HKP-19951Now: $199.95Was: $224.95 -
B&T HK MP5, SP5 Telescopic Brace
B&T Brugger & Thomet
$650.00B&T HK MP5, SP5 Telescopic Brace B&T's telescopic retractable 5-position brace assembly for Heckler & Koch models, MP5, SP5 and HK94 and clones. Installs using existing push pins, no modification required for installation...HKP-19504$650.00 -
H&K MP5 A3 Retractable Stock Buffer
H&K Heckler & Koch
$27.95H&K MP5 A3 Retractable Stock Buffer These common wear items need to be replaced when they become yellow, brittle, and worn. Inspect your buffer for the following: discoloration, the buffer becomes hard and brittle, tears, cracks, or breakages of any...HKP-00074$27.95 -
B&T HK MP5 .22 LR Folding Stock
B&T Brugger & Thomet
$249.95B&T Folding Stock for MP5 .22 LR Swiss made B&T folding stock for the MP5 22 LR. This is a military grade stock section as supplied by B&T to HK Germany. B&T Switzerland has supplied these to law enforcement and military units around the...HKP-20166$249.95 -
HKP HK 91/G3 (7.62x51/.308) Stock Set - O.D. Green - Surplus
HKP HK Parts
$24.95Original German Army Used Surplus G3, 91, PTR OD Green Stock Set Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC. A great stock...HKP-16332$24.95 -
Choate MP5 Replacement Buffer For Folding Stock Or End Cap
Choate
$3.95Choate MP5 Replacement Buffer For Folding Stock Or End Cap Compatible With: Choate MP5 and MP5K Stocks or End Caps (NOT compatible with MP5 .22 LR)HKP-00116$3.95 -
On Sale
HKP HK G36C Rear Stock - Black
Now: $89.95Was: $106.99HKP G36C Rear Stock HK G36C 9.5" rear stock assembly. One full inch shorter than the standard G36/G36K stock. Each G36C stock is compatible with all G36 variants. This is the preferred stock for average height end users. Compatible...HKP-18218Now: $89.95Was: $106.99 -
AC-Unity HK MP5 Fixed Stock
AC-Unity Magazines and Parts
$69.95AC-Unity HK MP5 Fixed Buttstock - Gen 2 with Removable Butt Pads The AC-Unity HK MP5 fixed buttstock delivers superior performance and comfort. Featuring soft, shock-absorbing rubber recoil pads, it effectively replaces the outdated fixed but-pad,...HKP-21640$69.95 -
B&T HK MP5/SP5 Telescopic Stock
B&T Brugger & Thomet
$650.00B&T Stock Telescopic for MP5, HK SP5, AP5, ZF-5 The MP5 from Heckler & Koch is one of the most widely used submachineguns. B&T offers a selection of shoulder stocks for the MP5, SP5, MP5SD, MKE AP5, ZF-5 in order to adapt the weapon to...HKP-19352$650.00 -
B&T MP5K & MP5 - Folding Stock Section Only
B&T Brugger & Thomet
$139.95B&T MP5K & MP5 - Folding Stock Section Only Ideal for those moving from the SB Tactical SBT5 or SBT5K side folding brace to NFA/SBR status as these braces already include the B&T side-folding stock adapter backplate. Specifications: Requires...HKP-18246$139.95 -
H&K MP5, SP5, HK94 2 Position A3 F Retractable Rear Stock
H&K Heckler & Koch
$577.95HK German MP5 & HK94 A3 "F" Style Retractable Rear Stock This German HK A3 retractable is the latest and greatest HK retractable German stock available. The F stock is designed to take the abuse of heavy +P and +P+ rounds, as well as all standard...HKP-00168$577.95 -
HKP Single Point Sling - OD Green
HKP HK Parts
$29.95HKP Single Point Sling - OD Green This high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all OD Green heavy-duty Cordura nylon to withstand years of...HKP-09057$29.95 -
H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Rear Stock Buffer With All Mounting Hardware
H&K Heckler & Koch
$24.95German HK G3, 91 & PTR91 Complete Rear Stock Buffer Assembly Each unit comes with all of the mounting hardware for installing the G3 buffer to your backplate assembly. Also fits the HK93, 33, and 53 fixed stocks as well (use the same buffer).HKP-00362$24.95 -
SB Tactical MP5 & SP5 Folding Brace - Skeletonized
SB Tactical
$149.95SB Tactical MP5 & SP5 Folding Brace - Skeletonized Features: Each brace comes assembled ready to install no assembly required Made in the USA B&T inspired design & styling QD Sling Attachment Fully adjustable nylon stabilizing strap 10.5" in...HKP-21397$149.95 -
SB Tactical SBA4 Pistol Stabilizing Brace
SB Tactical
$99.99SB Tactical SBA4 Pistol Stabilizing Brace Designed for all platforms capable of accepting a mil-spec carbine receiver extension. The SBA4 is 5-position adjustable and features an integral, ambidextrous QD sling socket. Compatible With: HK MR556...HKP-19927$99.99 -
On Sale
MKE PTR PDW Retractable Stock
MKE
Now: $399.95Was: $459.95MKE PTR PDW Retractable Stock A3 Factory new MKE stock professionally converted to fit PTR PDW rifles and pistols. This PTR PDW stock was modified with a heavy profile collapsing rod insert heat treated for longevity. The correct collapsing length on the...HKP-21376Now: $399.95Was: $459.95 -
Out Of Stock
B&T HK MP5K, SP5K Telescopic Brace
B&T Brugger & Thomet
$650.00B&T Telescopic Brace for HK MP5K, SP5K B&T telescopic brace for HK SP5K/MP5K and clones Specifications: Length adjustable in 5 positions Includes replaceable elastomer rubber buffer Just add your favorite tailhook style device and you are good...HKP-19861$650.00 -
H&K G3 Large Buffer Screw
H&K Heckler & Koch
$1.95HK G3 Large Buffer Screw This is the screw that screws in the back of the buffer. This is also needed to install the Magpul PRS2 stock. Used- in good, working condition.HKP-16981$1.95