Stocks / Braces / Slings

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 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Internal Buffer With Break Springs

    H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Internal Buffer With Break Springs

    H&K Heckler & Koch

    $17.95
    HK 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 buffers
    HKP-17424
    $17.95
    Qty in Cart: 0
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    $17.95
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  • H&K Central Buttstock Section - HK Green H&K Central Buttstock Section - HK Green

    H&K Central Buttstock Section - HK Green

    H&K Heckler & Koch

    $34.95
    H&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
    Qty in Cart: 0
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    $34.95
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  • H&K HK 416/MR556 Commercial Factory German E2 Rear Stock - Black H&K HK 416/MR556 Commercial Factory German E2 Rear Stock - Black

    H&K HK 416/MR556 Commercial Factory German E2 Rear Stock - Black

    H&K Heckler & Koch

    $249.95
    HK 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
    Qty in Cart: 0
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    $249.95
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  • H&K HK G36/SL8 Sling Pin Forearm Retaining Clip H&K HK G36/SL8 Sling Pin Forearm Retaining Clip

    H&K HK G36/SL8 Sling Pin Forearm Retaining Clip

    H&K Heckler & Koch

    $8.95
    HK G36 & SL8 Sling Pin Retaining Clip Compatible With: HK G36 HK G36K- older version only HK SL8-1 , SL8-6 Factory Forearm
    HKP-16366
    $8.95
    Qty in Cart: 0
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    $8.95
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  • Out Of Stock
    H&K MP5K/SP89/SP5K 9mm Incomplete End Cap H&K MP5K/SP89/SP5K 9mm Incomplete End Cap

    H&K MP5K/SP89/SP5K 9mm Incomplete End Cap

    H&K Heckler & Koch

    $0.00
    HK Factory German MP5K, SP-89, SP5K End Cap - Incomplete Each pistol end cap is OEM HK German MP5K, MP5K-N, SP5K, SP89 stripped end cap.  Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K clones or other custom builds
    HKP-18208
    $0.00
    Qty in Cart: 0
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    $0.00
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  • HK USC (.45 ACP) USC to UMP Conversion ACR Stock Block HK USC (.45 ACP) USC to UMP Conversion ACR Stock Block

    HK USC (.45 ACP) USC to UMP Conversion ACR Stock Block

    $149.95
    HK USC To ACR Stock Adapter A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. This offering is for the stock block and hardware to attach your ACR stock for your HK USC when doing...
    HKP-17357
    $149.95
    Qty in Cart: 0
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    $149.95
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  • SB Tactical SBM4 Pistol Stabilizing Brace SB Tactical SBM4 Pistol Stabilizing Brace

    SB Tactical SBM4 Pistol Stabilizing Brace

    SB Tactical

    $74.99
    SB Tactical SBM4 Pistol Stabilizing Brace The SBM4 is the evolution of the original SB15 Pistol Stabilizing Brace . . . thinner, lighter and with enhanced cheek weld ergonomics. Includes: Pistol stabilizing brace Adjustable nylon stabilizing...
    HKP-17903
    $74.99
    Qty in Cart: 0
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    $74.99
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  • B&T HK MP5 - MBT Stock B&T HK MP5 - MBT Stock

    B&T HK MP5 - MBT Stock

    B&T Brugger & Thomet

    $594.95
    B&T HK MP5 - MBT Stock B&T MBT folding stock for HK MP5. Polymer stock and adapter.  Features: 8 position length adjustment Telescoping cheek riser w/ 3 position height adjustment Folds to the right canted downward 3.5 degrees Locks...
    HKP-21422
    $594.95
    Qty in Cart: 0
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    $594.95
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  • B&T HK MP5K 3-Position Folding Adjustable Stock - Black B&T HK MP5K 3-Position Folding Adjustable Stock - Black

    B&T HK MP5K 3-Position Folding Adjustable Stock - Black

    B&T Brugger & Thomet

    $494.95
    B&T HK MP5K 3-Position Folding Adjustable Stock Swiss made B&T folding and length adjustable stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide. B&T AG...
    HKP-18243
    $494.95
    Qty in Cart: 0
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    $494.95
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  • B&T MP5, MP5 RS - Folding Adjustable 3 Position Stock B&T MP5, MP5 RS - Folding Adjustable 3 Position Stock

    B&T MP5, MP5 RS - Folding Adjustable 3 Position Stock

    B&T Brugger & Thomet

    $489.95
    B&T MP5, MP5 RS - Folding Adjustable 3 Position Stock Swiss made B&T folding and length adjustable stock for the HK MP5 and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide...
    HKP-18100
    $489.95
    Qty in Cart: 0
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    $489.95
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  • B&T TP9/MP9 Locking Bar Folding Stock - Black

    B&T TP9/MP9 Locking Bar Folding Stock - Black

    B&T Brugger & Thomet

    $19.95
    B&T TP9/MP9 Locking Bar Folding Stock - Black Locking Bar for Swiss B&T manufactured Tactical Folding Stock For The TP9 & MP9. Compatible With: TP9 MP9
    HKP-17302
    $19.95
    Qty in Cart: 0
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    $19.95
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  • H&K MP5 A3 Retractable Stock Sling Attachment Bar- Weldable H&K MP5 A3 Retractable Stock Sling Attachment Bar- Weldable

    H&K MP5 A3 Retractable Stock Sling Attachment Bar- Weldable

    H&K Heckler & Koch

    $9.95
    HK MP5 A3 Retractable Stock Sling Bar This part offering is a factory German HK part new unpainted and ready to weld to your application. Can also be used for upgrading a non-ambi stock to an ambi stock by attaching the sling bar to the A3 stock...
    HKP-17427
    $9.95
    Qty in Cart: 0
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    $9.95
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  • On Sale
    HKP ACE Adapter for HK MP5, 93, 33 HKP ACE Adapter for HK MP5, 93, 33

    HKP ACE Adapter for HK MP5, 93, 33

    HKP HK Parts

    Now: $44.95
    Was: $99.95
    ACE Adapter for HK MP5 and HK 93 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 available period...
    HKP-18504
    Now: $44.95
    Was: $99.95
    Qty in Cart: 0
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    Now: $44.95
    Was: $99.95
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  • HKP HK SL8/G36 Conversion Stock Block with Picatinny Rail HKP HK SL8/G36 Conversion Stock Block with Picatinny Rail

    HKP HK SL8/G36 Conversion Stock Block with Picatinny Rail

    HKP HK Parts

    $129.95
    HKP HK SL8/G36 Conversion Stock Block with Picatinny Rail SL8 to G36 stock block with Picatinny rail offers superior adjustability for the stock of your choice, making it an excellent choice for SL8 conversion projects. Crafted from billet and cerakoted...
    HKP-21574-M
    $129.95
    Qty in Cart: 0
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    $129.95
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  • HKP Single Point Leather Sling - OD Green HKP Single Point Leather Sling - OD Green

    HKP Single Point Leather Sling - OD Green

    HKP HK Parts

    $49.95
    Single Point Leather Sling - OD Green 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-20163
    $49.95
    Qty in Cart: 0
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    $49.95
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  • MI Side Folder with Lightweight Stock MI Side Folder with Lightweight Stock

    MI Side Folder with Lightweight Stock

    MI Midwest Industries

    $180.95
    MI Side Folder with Light Weight Stock Features: Made in the USA Heavy-duty side-folding mechanism constructed from 4140 steel Full-length locking lug for maximum strength Solid positive lock up in both positions Steel clamp with large surface...
    HKP-20065
    $180.95
    Qty in Cart: 0
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    $180.95
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  • PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly

    PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly

    PTR

    $339.95
    PTR PDW - AR15 Stock Adapter - Magpul Stock - Complete Assembly AR15/M16 to HK 90 series stock adapter set up for the PTR PDW. This is a perfect compliment for those that want to use the popular Magpul Moe stock on your PTR PDW. Each adapter includes the...
    HKP-15753
    $339.95
    Qty in Cart: 0
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    $339.95
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  • Strike Industries HK MP5 Stock with Cheek Riser Strike Industries HK MP5 Stock with Cheek Riser

    Strike Industries HK MP5 Stock with Cheek Riser

    Strike Industries / HKP

    $349.95
    Strike Industries HK MP5 Stock with Cheek Riser The Strike FSA folder paired with our MP5 picatinny adapter is one of the best options on the market for weight reduction and compact profile. The adjustable cheek riser allows the user to dial in the stock...
    HKP-21497-M
    $349.95
    Qty in Cart: 0
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    $349.95
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  • Out Of Stock
    Tommy Built HK G36 AR Stock Adapter Tommy Built HK G36 AR Stock Adapter

    Tommy Built HK G36 AR Stock Adapter

    Tommy Built

    $249.95
    Tommy Built HK G36 AR Stock Adapter G36 Hinge with AR Buffer Tube Mount. This can be used to adapt various AR Style Stock and Braces to the HK G36 Receiver Hinge.
    HKP-18852
    $249.95
    Qty in Cart: 0
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    $249.95
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  • B&T HK MP5K, HK SP89, HK SP5K Folding Stock/Length Adjustable Helmet Stock - Black B&T HK MP5K, HK SP89, HK SP5K Folding Stock/Length Adjustable Helmet Stock - Black

    B&T HK MP5K, HK SP89, HK SP5K Folding Stock/Length Adjustable Helmet Stock - Black

    B&T Brugger & Thomet

    $379.95
    B&T HK MP5K, SP5K, SP89 Folding/Adjustable Helmet Stock Swiss made B&T folding and length adjustable helmet stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units...
    HKP-18101
    $379.95
    Qty in Cart: 0
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    $379.95
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  • On Sale
    H&K A3 Parkerized Stock Protective Cover H&K A3 Parkerized Stock Protective Cover

    H&K A3 Parkerized Stock Protective Cover

    H&K Heckler & Koch

    Now: $14.95
    Was: $19.95
    H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33, and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place. 
    HKP-20649
    Now: $14.95
    Was: $19.95
    Qty in Cart: 0
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    Now: $14.95
    Was: $19.95
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  • Out Of Stock
    HK Ambidextrous Sling - Green - USED

    HK Ambidextrous Sling - Green - USED

    H&K Heckler & Koch

    $89.95
    HK Ambidextrous Sling - Green - USED This sling is the factory (used) HK Green 1.25" Ambi Sling with dual HK sling hooks for use on either the left or right side of the weapon. Best used with the ambi sling pins as the option shown below. Can be used on...
    HKP-00183
    $89.95
    Qty in Cart: 0
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    $89.95
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  • HKP V51 Backplate HKP V51 Backplate

    HKP V51 Backplate

    HKP HK Parts

    $167.95
    HKP V51 Backplate HK Parts brings you a long lost part that was no longer available till now. The Vector Arms V51 firearms was one of the most aclaimed PDW of its time but replacement parts have become difficult to source. We now take like new G3...
    HKP-21201
    $167.95
    Qty in Cart: 0
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    $167.95
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  • On Sale
    Magpul AR-15 CTR 6 Position Stock - Mil-Spec Magpul AR-15 CTR 6 Position Stock - Mil-Spec

    Magpul AR-15 CTR 6 Position Stock - Mil-Spec

    Magpul

    Now: $54.95
    Was: $79.95
    Magpul AR-15 CTR 6 Position Stock The Magpul CTR (Compact/Type Restricted) Mil-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using mil-spec-sized receiver extension tubes. The extra-power lock mechanism uses a premium...
    HKP-01031
    Now: $54.95
    Was: $79.95
    Qty in Cart: 0
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    Now: $54.95
    Was: $79.95
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  • Strike Industries HK MP5 Drop-In MOD2 Stock Strike Industries HK MP5 Drop-In MOD2 Stock

    Strike Industries HK MP5 Drop-In MOD2 Stock

    Strike Industries

    $199.95
    Strike Industries HK MP5 Drop-In MOD2 Stock We pair our MP5 AR Stock adapter with this Strike MOD2 stock to give you a drop-in MP5 stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock.  Only available here at HK...
    HKP-21331-M
    $199.95
    Qty in Cart: 0
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    $199.95
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  • B&T BT APC, BT GL06 Foldable/Length Adjustable Stock - Black B&T BT APC, BT GL06 Foldable/Length Adjustable Stock - Black

    B&T BT APC, BT GL06 Foldable/Length Adjustable Stock - Black

    B&T Brugger & Thomet

    $344.95
    B&T BT APC, BT GL06 Foldable/Length Adjustable Stock - Black Swiss made B&T folding & 3 position adjustable stock for the APC and GL06. This is a military grade stock as supplied by B&T to military and law enforcement units worldwide...
    HKP-18352
    $344.95
    Qty in Cart: 0
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    $344.95
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  • Clubfoot Stock For HK .308 Rifles - Green Clubfoot Stock For HK .308 Rifles - Green

    Clubfoot Stock For HK .308 Rifles - Green

    USA

    $299.95
    US & German HK G3, 91, PTR-91 Or Clone Club Foot Stock HK clubfoot stock comes fully assembled with both US & German H&K parts. Includes: HK 21E Clubfoot central stock section (counts as one US compliant part) HK heavy rubber buttpad USHK...
    HKP-19667
    $299.95
    Qty in Cart: 0
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    $299.95
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  • Elevated Cheek Rest For Folding/Adjustable Stock - Black Elevated Cheek Rest For Folding/Adjustable Stock - Black

    Elevated Cheek Rest For Folding/Adjustable Stock - Black

    B&T Brugger & Thomet

    $65.95
    Elevated Cheek Rest For Folding/Adjustable Stock   Special optics (night vision, thermal) require higher mounts. In these cases an elevated cheek rest is helpful in order to position the eye and the head in the optimal position. The B&T cheek...
    HKP-18105
    $65.95
    Qty in Cart: 0
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    $65.95
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  • On Sale
    GHW Scorpion Tailhook Mod 1 Brace Adapter

    GHW Scorpion Tailhook Mod 1 Brace Adapter

    Gear Head Works

    Now: $9.95
    Was: $19.95
    GHW Scorpion Tailhook Mod 1 Brace Adapter This adapter allows the user to mount the Patented Tailhook Mod 1 brace to the factory CZ folding cheek rest. It is injection molded reinforced polymer and can be installed to your choice of 3 positions. Features...
    HKP-19137
    Now: $9.95
    Was: $19.95
    Qty in Cart: 0
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    Now: $9.95
    Was: $19.95
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  • H&K / HKP V51 Fixed Stock H&K / HKP V51 Fixed Stock

    H&K / HKP V51 Fixed Stock

    HKP HK Parts

    $279.95
    H&K / HKP V51 Fixed Stock Finally after years of unobtainable replacement stocks for your Vector V51 firearm we now bring you multiple A2 style options to dress your V51 to your liking. We take a like new back plate and convert it into a V51...
    HKP-21270-M
    $279.95
    Qty in Cart: 0
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    $279.95
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  • H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good

    H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good

    H&K Heckler & Koch

    $299.95
    Original G3, 91, PTR German Army Used Surplus Black Stock Set - Complete  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...
    HKP-16205
    $299.95
    Qty in Cart: 0
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    $299.95
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  • H&K HK 416 Commercial OTB Buffer Tube HK E1 Stock Combo - Black H&K HK 416 Commercial OTB Buffer Tube HK E1 Stock Combo - Black

    H&K HK 416 Commercial OTB Buffer Tube HK E1 Stock Combo - Black

    H&K Heckler & Koch

    $469.95
    HK 416 OTB E1 Stock & Buffer Tube Combo - Commercial Genuine HK 416 E1 commercial 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...
    hkp-18361
    $469.95
    Qty in Cart: 0
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    $469.95
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  • H&K MP5 A3 Rear Stock Fork Section With Buttpad

    H&K MP5 A3 Rear Stock Fork Section With Buttpad

    H&K Heckler & Koch

    $429.95
    H&K MP5 A3 Rear Stock Fork Section With Buttpad A common repair item as the buttpad can crack or break off with time or hard use. A hard-to-find item, available here at HK Parts. For use with new style A3 German stocks, NOT the older style stocks...
    HKP-01044
    $429.95
    Qty in Cart: 0
    Quantity:
    Price:
    $429.95
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  • Out Of Stock
    H&K MP5 Stock Locking Lever With Spring H&K MP5 Stock Locking Lever With Spring

    H&K MP5 Stock Locking Lever With Spring

    H&K Heckler & Koch

    $0.00
    HK MP5, A3, HK91, & G3 Retractable Stock Locking Lever With Locking Spring Compatible With: MP5 (NOT compatible with MP5 .22 LR)
    HKP-02560
    $0.00
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • Out Of Stock
    HK 416/MP5 Sling Swivel HK 416/MP5 Sling Swivel

    HK 416/MP5 Sling Swivel

    HKP HK Parts

    $34.95
    HK 416/MP5 Sling Swivel Sling swivel for the Walther 416 and MP5 .22 rifles. This will attach to the quad rail on the 416 to give you an attachment point for a 2 point sling. May also be used with the an MP5 that has a tri rail set up.
    HKP-16318
    $34.95
    Qty in Cart: 0
    Quantity:
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    $34.95
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  • Magpul HK MP5  - MOE PR Stock Magpul HK MP5  - MOE PR Stock

    Magpul HK MP5 - MOE PR Stock

    Magpul

    $189.95
    Magpul Industries - MOE MP5 Stock New MOE PR MP5 stock fully assembled with our own MP5 AR stock/brace adapter. MOE PR stock blends the simplicity of the legacy MOE Carbine Stock with design lines reminiscent of the PRS Lite now coupled with...
    HKP-21196
    $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • Magpul MOE Stock MIL Spec - Black

    Magpul MOE Stock MIL Spec - Black

    Magpul

    $44.95
    Magpul MOE Stock MIL SPEC - Black Magpul Industries MOE Carbine Black Stock Complete - MIL Spec Compatible With: MR556 & HK 416 equipped with mil-spec buffer tubes AR-15 platforms with mil-spec buffer tubes
    HKP-19393
    $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
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  • MI/HKP HK MP5K Alpha Folding Stock MI/HKP HK MP5K Alpha Folding Stock

    MI/HKP HK MP5K Alpha Folding Stock

    MI Midwest Industries

    $419.95
    Midwest Industries/HKP HK MP5K Alpha Folding Stock Brace Adapter The Midwest Industries Alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your...
    HKP-21514-M
    $419.95
    Qty in Cart: 0
    Quantity:
    Price:
    $419.95
    Subtotal:
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