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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On Sale
CZ Scorpion EVO Ace Stock/Brace Adapter
HKP HK Parts
Now: $17.95Was: $39.95CZ Scorpion EVO - ACE Stock Adapter The CZ Scorpion EVO ACE Stock Adapter allows you to upgrade your CZ Scorpion with any ACE Folding Stock/Brace or ACE Stock/Brace Accessories. Solid billet machined aluminum adapter anodized black in color.HKP-18523Now: $17.95Was: $39.95 -
Out Of Stock
Gear Head Works Tailhook Mod 1 - FDE
Gear Head Works
$159.95Gear Head Works Tailhook Mod 1 - FDE We start with a solid piece of billet aluminum and meticulously machine every aspect for a part that is as nice to look at as it is to use. This version clamps to pistol buffer tubes or adapter spuds ranging from 1...HKP-19541$159.95 -
H&K HK 416/MR556 Enhanced Buffer Tube-Commercial
H&K Heckler & Koch
$249.95HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial: Genuine HK German manufactured 416, MR556 new style latest generation marine environment & over the beach buffer tube. Each Commercial buffer tube has built in drainage...HKP-15424$249.95 -
H&K HK MR556/MR762/416 German E2 Concave Butt Pad
H&K Heckler & Koch
$69.95HK German 416, MR556, MR762, & 417 E2 Concave Butt Pad Can be added as an option on the HK E1 416/417 stock. Providing you an option to use either the concave or convex style buttpads for different mission requirements. Compatible With: HK MR556 HK...HKP-00050$69.95 -
SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace
SB Tactical
$349.95SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for your MP5, SP5 or clone...HKP-19928$349.95 -
G3 Incomplete Backplate - Threaded
H&K Heckler & Koch
$29.95G3 Incomplete Backplate - Threaded Each backplate is refinished and parkarized as issued to the German military. This refinished backplate comes with a threaded end to accept a threaded recoil rod stop screw. With a quick and easy removable recoil rod...HKP-20860$29.95 -
H&K 91/G3 (7.62x51/.308) Complete Fixed Stock with Enhanced Heavy Buffer- Black - Surplus
H&K Heckler & Koch
$269.95German 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-16269$269.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Alpine Green - Surplus
H&K Heckler & Koch
$129.95HK German Surplus G3, 91, PTR Stock Complete with Enhanced Heavy Buffer Installed - Alpine Green The Alpine green stock was the last version that the German military produced and is the darkest green version available. All stocks are 90's...HKP-18934$129.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Factory German Sling
H&K Heckler & Koch
$79.95HK USC & UMP Factory German Tactical Sling -BlackHKP-00613$79.95 -
On Sale
HKP HK SP5 AR, M4 Stock, Brace Adapter - QD
HKP HK Parts
Now: $139.95Was: $159.95HK SP5 Style AR, M4 Stock & Brace Adapter With QD Sling Attachment Point Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points and Cerakote finish for the best looking AR...HKP-20725Now: $139.95Was: $159.95 -
HKP MP5 .22LR Picatinny Rail Stock Adapter
HKP HK Parts
$134.95HKP MP5 .22LR Picatinny Rail Stock Adapter Our rail stock adapter enables seamless attachment of any 1913 Style Stock or brace to your MP5.22. The 1913 style stocks & braces firmly lock in place, offering superior cheek weld height compared to...HKP-21526$134.95 -
On Sale
HKP MP5 to AR Adapter & Stock Complete
HKP HK Parts
Now: $189.95Was: $229.95HKP MP5 to AR Adapter & Stock Complete 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 finest AR stock...HKP-17119Now: $189.95Was: $229.95 -
Out Of Stock
AIM M-LOK Quick Detach Sling Swivel Mount
AIM
$19.95M-LOK Quick Detach Sling Swivel Mount The Aim M-LOK® QD Sling Mount stud with QD swivel provides a front attachment point for your push button QD sling or sling with just strap. Includes: All necessary mounting hardware and wrenches Features: High...HKP-18589$19.95 -
B&T APC9, APC45 3 Position Telescopic Stock - Black
B&T Brugger & Thomet
$649.95B&T APC9, APC45 3 Position Telescopic Stock This Swiss made B&T telescopic stock is for the APC9 and APC45. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide. B&T AG is a global...HKP-18104$649.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Dark OD Green - Surplus
H&K Heckler & Koch
$129.95HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - Dark OD Green - Surplus Used Dark Olive Drab Green German surplus stock complete with Enhance DMR buffer installed. This Stock is so dark it looks to be brown. The stock and the buttpad on this...HKP-18933$129.95 -
Out Of Stock
H&K G36 IDZ Stock - Concave
H&K Heckler & Koch
$0.00H&K G36 IDZ Stock Concave When it comes to adjustable, folding G36 stocks, the IDZ tops the list. German made by HK with a concave buttpad for reliability and comfort. Features: 3 position forward & back 3 cheek piece elevation...HKP-21501$0.00 -
H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo
H&K Heckler & Koch
$469.95HK 416 OTB E1 Stock & Buffer Tube ComboGenuine HK 416 E1 Stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the stock when locked in position, and helps smooth the sliding action...HKP-20104$469.95 -
HKP AR-15 Commercial Buffer Tube
HKP HK Parts
$24.95AR-15 Commercial Buffer Tube Compatible With: HK MR556 & 416 All AR-15 style platforms Features: Made From T7 7075 Aircraft grade aluminum Made in the USA 6 Position Each features a highly polished inside tube Black Mil-spec triple hard coat...HKP-02728$24.95 -
HKP HK MP5K, SP5K, SP89 Single Point Leather Sling - Dark Brown
HKP HK Parts
$49.95Single Point Leather Sling - Dark Brown 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 German...HKP-20270$49.95 -
Uzi Sling
$49.95Uzi Sling - New Old Stock Original IMI sling new old stock complete with steel buckle, two leather loops and steel tip keepers. Once they're gone, they're gone for good. Compatible With: Action Arms Uzi Micro & Mini SMG Model A&B...HKP-21540$49.95 -
Choate HK 91/G3 (7.62x51/.308) Adjustable Tactical Folding Stock
Choate
$139.95HK G3, 91 & PTR Tactical Folding Stock Each stock is adjustable from 14 1/4" to 15 1/4" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific user or mission requirements. Comes with all the...HKP-00884$139.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Jungle Green - Surplus
H&K Heckler & Koch
$129.95HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed- Jungle Green - Surplus Used jungle green German surplus stock complete with Enhanced Heavy Buffer Installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each...HKP-18935$129.95 -
H&K HK G28 Buffer Tube - Black
H&K Heckler & Koch
$195.99HK G28 Buffer Tube / Receiver Extension- Tan New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range and use of the G28 adjustable stock. Made in Germany by HK.HKP-16741$195.99 -
Out Of Stock
H&K USC/SL8 (.45 ACP/5.56/.223) Buttstock Screw - Used
H&K Heckler & Koch
$9.95Buttstock Allen Screw For HK USC Or HK SL8 rifles. This is the screw that holds the stock assembly onto the upper receiver of the HK USC & SL8.Great for replacements or to have as spares. This item is factory HK and a common spare.HKP-01649$9.95 -
$20.95 -
Out Of Stock
HKP ACE Adapter for MP5K, SP89 & SP5K
HKP HK Parts
$54.95ACE Adapter for MP5K, SP89 & SP5K Each ACE 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 finest ACE adapter...HKP-18505$54.95 -
On Sale
Magpul AR-15 CTR 6 Position Stock- Commercial
Magpul
Now: $44.95Was: $79.95Magpul AR-15 CTR 6 Position Stock - Commercial Spec The Magpul CTR (Compact/Type Restricted) Commercial-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using mil-spec-sized receiver extension tubes. The streamlined A-frame...HKP-02375Now: $44.95Was: $79.95 -
Uzi Sling - Used
$24.95Uzi Sling - Used Original IMI sling used complete with steel buckle, two leather loops and steel tip keepers. Once they're gone, they're gone for good. Compatible With: Action Arms Uzi Micro & Mini SMG Model A&B carbine Semi-Auto Mini Carbine...HKP-21562$24.95 -
On Sale
H&K 93/53/33 (5.56/.223) Backplate - Painted - BLEMISHED
H&K Heckler & Koch
Now: $39.95Was: $59.95H&K 93/53/33 (5.56/.223) Backplate - Painted - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German backplate with the recoil assembly cup...HKP-16254-BNow: $39.95Was: $59.95 -
H&K MP5 & SP5 A1 End Cap With Sling Swivel
H&K Heckler & Koch
$139.99HK German MP5 & SP5 A1 End Cap With Sling Swivel The MP5 end cap allows the user to add a single-point sling. Perfect for a pistol build or a lower profile setup. Made by HK Germany. Compatible With: HK MP5 HK SP5 HK94 MP5 clones and other...HKP-00114$139.99 -
Out Of Stock
HK MR556 Eyelet Sling Adapter
HKP HK Parts
$89.95HK MR556 & MR762 Eyelet Sling Adapter for Carrying Sling New eyelet sling adapter for carrying slings. The perfect option for those who want to match their RAL8000 or tanodized handguards. These sling adapters are made in the USA, so you know...HKP-21064-M$89.95 -
AR, M4 Stock Adapter - HK SP5
HKP HK Parts
$99.95AR, M4 End Cap With Replaceable Rubber Buffer - HK SP5 This is the finest AR stock adapter available period. No other adapter compliments the lines of the HK 9X series better than the HK Parts AR adapter. A great way to add a stock or pistol brace...HKP-20748$99.95 -
G3 A2 Adjustable Stock Extension
USA
$69.95HK G3 A2 Adjustable Stock Extension Each stock extension is adjustable in 1/2" increments to enable you to achieve the proper length of trigger pull. This allows you a full 1.50" in length adjustments. These extensions are manufactured using high-impact,...HKP-00872$69.95 -
H&K 91/G3 A3 Retractable Stock - Used Good
H&K Heckler & Koch
$799.95HK G3 & HK 91 (7.62x51/.308) A3 Retractable Stock German - Used Surplus - Excellent Condition Used HK German A3 retractable stocks pulled from German G3 rifles. All come in working order with various degrees of use but 100% operational. These range...HKP-18067$799.95 -
H&K HK G28 Buffer Tube - FDE
H&K Heckler & Koch
$224.95HK G28 Buffer Tube / Receiver Extension- HK Tan (Ral 8000) New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range and use of the G28 adjustable stock. Compatible...HKP-16762$224.95 -
Out Of Stock
H&K HK G36 Convex Folding Adjustable IDZ Stock - Black
H&K Heckler & Koch
$399.95H&K HK G36 Convex Folding Adjustable IDZ Stock - Black Features: 3 position forward and back 3 cheek piece elevation positions. Folding capability while retaining the ability to fire with the stock folded. Super robust, compact design Compatible...HKP-17703$399.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Lower Backplate
H&K Heckler & Koch
$24.95H&K UMP (.40 S&W/.45 ACP/9mm) Lower Backplate HK German Backplate for all UMP lowers. You will need to add your existing buffer or order one to make a complete buffer assembly.HKP-16473$24.95 -
HKP Mil-Spec Buffer Tube Kit
HKP HK Parts
$42.95Mil-Spec Buffer Tube Kit Compatible With: HK MR556 & 416 AR-15 style platforms Includes: Made with T7 7075 aircraft-grade aluminum Made in the USA with a polished inside tube Mil-Spec triple hard coat Teflon anodized finish Each unit comes with a...HKP-02735$42.95 -
On Sale
B&T MP5, TP9, MP9 Tactical Single Point Sling
B&T Brugger & Thomet
Now: $97.95Was: $149.95B&T MP5, TP9, MP9 Tactical Single Point Sling Compatible With: MP5 TP9 MP9 Many other applicationsHKP-17292Now: $97.95Was: $149.95 -
On Sale
Gear Head Works Tailhook Mod 2C - Black
Gear Head Works
Now: $169.95Was: $259.95Gear Head Works Tailhook Mod 2C - Black We took our revolutionary MOD 2 brace and cut one and a half inches off to bring you the MOD 2C. With a collapsed length of 5.4" and weighing just 9.1 oz (without buffer and spring) it's a PDW package without the...HKP-19792Now: $169.95Was: $259.95