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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B&T BT APC9, BT APC45 Telescoping Brace Adapter - Black
B&T Brugger & Thomet
$649.95B&T BT APC9, BT APC45 Telescoping Brace Adapter The B&T telescopic brace adapter is an essential accessory to attach your favorite brace to your B&T firearm. Features: Complete adapter solution- no extra parts to buy except the brace...HKP-18989$649.95 -
H&K HK MR762/417 Take Down Tool
H&K Heckler & Koch
$24.95HK MR762 & 417 Take Down Tool This item is used to take down the upper receiver from the lower receiver as well as tighten down the stock movement on the E1/E2 stock. Each tool will be stored in the rear of the E1/E2 stock and may come in black or...HKP-14438$24.95 -
SB Tactical HK UMP Side Folding Pistol Stabilizing Brace - Black
SB Tactical
$74.95SB Tactical HK UMP Side Folding Pistol Stabilizing Brace - Black A skeletonized version of the SBT Pistol Stabilizing Brace, the SBTi enhances your B&T APC or HK UMP with an integral, side-folding mechanism. The SBTi variant also allows you to...HKP-19133$74.95 -
PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly
PTR
$274.95PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use The popular Magpul commercial Moe...HKP-15614$274.95 -
Strike Industries HK 416 .22LR Dual Folding Brace with Adapter
Strike Industries / HKP
$349.95Strike Industries Dual Folding Stock & Brace with HKP 416 .22LR Adapter The Strike Dual Folding Adapter paired with our HK 416 .22LR picatinny adapter is one of the best options on the market for those looking for weight reduction and a compact...HKP-21409$349.95 -
H&K HK 416 Commercial Factory E1 Rear Stock - Black
H&K Heckler & Koch
$249.95H&K HK 416 Commercial Factory E1 Rear Stock - Black HK 416 factory German E1 Rear Stock latest HK German stock for all HK 416/MR556 rifles. This HK 416 HKE1 Buttstock fits Commercial buffer tubes (receiver extensions) for M4/AR15 type weapons. NO...HKP-15426$249.95 -
H&K HK G28 Extended Buffer Tube Castle Nut - Black
H&K Heckler & Koch
$79.95HK G28 Buffer Tube Castle Nut- Black New HK German G28 castle nut for the HK MR762, HK417 & G28 models. Black in color. This is the proper part for use with the G28 buffer tube and stock upgrades. Compatible With: HK MR762 HK 417 HK G28 DMRHKP-16763$79.95 -
Modular Folding Stock System - HK MP5, SP5
F5 MFG
$449.95Modular Folding Stock System - HK MP5 The telescoping, left side-folding polymer stock is fully adjustable for comb height and length of pull, making it a versatile option for the most advanced applications. Features: MP5 adapter machined from 6061...HKP-19484$449.95 -
PTR PDW (7.62x39) & (7.62x51/.308) Fixed Stock
PTR
$299.95PTR PDW (7.62x39) & (7.62x51/.308) Fixed Stock Each stock is new and a product of the finest U.S Made (PTR-91 Manufactured) & German HK Made parts. This stock also counts as one U.S. compliant part for 922r compliance. Perfect for those that have...HKP-02408$299.95 -
H&K 91/G3 (7.62x51/.308) Wood Stock w/ Enhanced Buffer Installed
H&K Heckler & Koch
$229.95HK German G3, 91, PTR Wood Stock With- Enhanced DMR Buffer Installed Each stock includes: Metal Backplate With Recoil Spring Installed Modified by our HK gunsmith and an enhanced heavy buffer has been installed Heavy Buffer Assembly Complete Wood Stock...HKP-16697$229.95 -
HKP MP5K/SP89/SP5K 9mm End Cap - HK Style
HKP HK Parts
$64.95HKP MP5K/SP89/SP5K 9mm End Cap - HK Style This end cap is an identical reproduction of the factory end cap and features the original HK style buffer. Compatible With: MP5K SP5K SP89 In spec. clones and custom buildsHKP-16135$64.95 -
On Sale
SB Tactical AR-15 5 Position Adjustable Stabilizing Brace
SB Tactical
Now: $99.99Was: $134.95SBA3 - 5 Position Adjustable Stabilizing Brace - AR15 Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3 is a 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an...HKP-18646Now: $99.99Was: $134.95 -
KES HK MP5 Buttstock
Safety Harbor Firearms
$279.95KES HK MP5 Buttstock The all-new KES is designed to fit the MP5 pattern pistols/rifles. Specifications: Guide rods slide into the existing slots present on the receiver Rods machined to go underneath the reinforcing piece welded onto the rear of the...HKP-21086$279.95 -
PTR HK 91/G3 (7.62x51/.308) Complete Fixed Stock - Black
PTR
$199.95New HK91, G3, PTR-91 US-Made (PTR-91 Manufactured) Fixed Stock Made from all German & US-made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one US-compliant part for 922r compliance. This stock...HKP-00896$199.95 -
On Sale
AR-15 Ambidextrous Sling End Plate, Universal
USA
Now: $9.95Was: $13.95AR-15 Ambidextrous Sling End Plate, Universal Made in the USA out of ordnance grade steel. Compatible With: AR15 M5 Other AR buffer tube style buildsHKP-15333Now: $9.95Was: $13.95 -
Choate HK MP5 QD End Cap with Buffer - Black
HKP HK Parts
$99.95Quick Detach Steel End Cap With Replaceable Rubber Buffer - HK MP5 With this MP5 QD end cap upgrade you will get a heavier buffer to internally protect your firearm and keep your bolt carrier in tip top condition for years to come. Machined aircraft...HKP-20118$99.95 -
H&K MP5,94 & 93,33 Fixed Wood Stock
H&K Heckler & Koch
$399.95H&K MP5,94 & 93,33 Fixed Wood Stock Never before has there been a commercially available wooden stock for the HK 93 & MP5 series of firearms. The wood stock is a factory surplus walnut stock incorporated with the factory 93/33 buffer assembly...HKP-16328$399.95 -
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Buttstock Locking Piece
H&K Heckler & Koch
$14.95HK G36 & UMP Buttstock Push Button This is a factory HK German replacement button for the HK G36 and HK UMP stock.HKP-02468$14.95 -
HKP HK G3 Repair Manual
HKP HK Parts
$15.95HK G3, 91, PTR Repair Manual This manual contains parts 3 and 4 of the G3 Rifle Manual for the G3, which is the full auto version of the HK91. Part 3 is for troop repair and part 4 contains field repairs. This manual is NOT a heavy-duty...HKP-15212$15.95 -
On Sale
HKP MP5 AR Stock, Brace Adapter - BLEMISHED
HKP HK Parts
Now: $44.95Was: $114.95HK MP5, HK93 Style AR, M4 Stock & Brace Adapter - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each AR stock, brace adapter is...HKP-17118-BNow: $44.95Was: $114.95 -
SB Tactical - B&T - HK MP5 Swiss Folding Brace - Skeletonized
SB Tactical, B&T Brugger & Thomet
$299.95B&T MP5, SP5 Folding Brace - Swiss/USA - Skeletonized 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...HKP-21052$299.95 -
GSG9 HK G36, HK G36K Folding Stock - Black
GSG9
$115.00HK G36 Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like a shorter stock choose the G36C length stock. Each stock comes complete with...HKP-18219$115.00 -
H&K 3 Point Green Sling-Used-Surplus
H&K Heckler & Koch
$55.00H&K 3 Point Green Sling-Used-Surplus German military surplus 3 point sling in good condition. Used but 100% operational and a great value for the money.HKP-16273$55.00 -
Out Of Stock
H&K 91/G3 (7.62x51/.308) Backplate & Recoil Rod Assembly Complete
H&K Heckler & Koch
$49.95HK German Backplate Assembly Complete: Excellent Refinished - German HK G3 backplate complete that has been refinished in black oxide. Great replacement for worn out or damaged backplates. Compatible With: G3 HK91 PTR 91 Custom clonesHKP-00355$49.95 -
H&K MP5 Factory Ambidextrous Sling - Black
H&K Heckler & Koch
$79.95HK MP5F 25mm wide Factory German Ambidextrous Sling - Black For use with all HK weapon systems or MP5 that is set up to have sling clip attachment points for both left and right sides (similar to the HK green ambidextrous sling).HKP-00350$79.95 -
On Sale
HKP HK SP5 Folding Stock Adapter
HKP HK Parts
Now: $99.95Was: $159.95SP5 Folding Stock Adapter 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 expensive firearm...HKP-20644Now: $99.95Was: $159.95 -
H&K 93/53/33 (5.56/.223) Surplus Fixed Stock - A2 - Black
H&K Heckler & Koch
$249.95Surplus - Fixed Stock - Black - HK93,33,53 HK93 Surplus Stock - Black comes with a matching buttpad. Ready to install on your HK or clone rifle. Last remaining units. Once all are gone there will be no more. Features: HK 93, 33, 53 correct all metal...HKP-19075$249.95 -
H&K HK G36, HK G36K Full Size Folding Stock - Black
H&K Heckler & Koch
$139.95HK G36 or G36K Folding Stock HK G36 Stock complete for full-size G36 rifles. This is the longest stock available for G36 rifles. This is also the standard G36 and G36K stock with the standard length. Compatible With: G36 G36K G36C G36E SL8 to G36...HKP-00277$139.95 -
HKP HK 91/G3 (7.62x51/.308) Clubfoot Stock
HKP HK Parts
$299.95HK Clubfoot Stock HK clubfoot stock comes fully assembled with both US and German H&K parts. This stock assembly counts as one US-made part toward your 922r compliance. Compatible With: HK 91 HK G3 PTR-91, 32 Rifles HK .308 Rifles Other...HKP-01920$299.95 -
HKP MP5K/SP89/SP5K 9mm AR Stock Adapter - QD
HKP HK Parts
$114.95HK MP5K, SP89 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. Properly buffered with factory correct...HKP-18796$114.95 -
Choate MP5K/SP89 9mm Steel End Cap W/ Buffer
Choate
$45.95MP5K & SP-89 Steel End Cap With Replaceable Rubber Buffer Fits perfectly on all HK MP5K-type builds or projects. All metal construction, so you know it will last. Each unit comes with a sling loop for use with multiple sling types. Compatible...HKP-00395$45.95 -
H&K 3 Point Sling Replacement Holding Clip
H&K Heckler & Koch
$19.95New HK German 3-Point Sling Rear Stock Holding Clip This is the hard-to-find holding clip that secures the standard 3-point HK sling to the A2 or A3 stock. The rear sling clip can become weak and break, making your 3-point sling useless. The sling...HKP-01043$19.95 -
H&K 93/53/33 (5.56/.223) Backplate - Parkerized
H&K Heckler & Koch
$64.95Steel Back Plate For HK93, 33, 53 & MP5, 94- Parkerized Finish HK German backplate with the recoil assembly cup guide installed. Each unit comes complete & freshly parkerized. Derived from a German HK91 backplate and using factory tooling,...HKP-16252$64.95 -
H&K HK G36/SL8 Sling - Black
H&K Heckler & Koch
$79.95HK German G36 & SL8 Tactical Sling - BlackHKP-02381$79.95 -
H&K HK MR762/417/G28 Ambidextrous Sling Adapter
H&K Heckler & Koch
$129.95MR762, HK417 & G28 Ambidextrous Sling Adapter HK German manufactured MR762, MR308 & HK 417 Sling Adapter Backplate. This backplate has ambidextrous sling attachment points for both the left and right side of the firearm.HKP-16994$129.95 -
HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style
HDPS
$74.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style The original thumb screw version for all stock block B's.HKP-15731$74.95 -
Out Of Stock
Ergo Sling Loop Rail Mount- Ambidextrous
Ergo
$29.95Ergo Sling Loop Rail Mount- Ambidextrous The ergonomic HK slide mount sling hook base provides an economical means for attaching an HK-style sling hook to all 1913 Picatinny rails. Perfect for mounting on a tactical rail system or other Picatinny forearm...HKP-14526$29.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock - Alpine Green - Surplus
H&K Heckler & Koch
$29.95HK German Surplus G3, 91, PTR Stock Complete - 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 production, date coded and made by HK for the...HKP-17112$29.95 -
H&K HK MR556/416 Castle Nut
H&K Heckler & Koch
$35.95HK German HK 416, MR556 Castle Nut For Buffer Tube New HK German manufacture. This buffer tube castle nut will fit both mil-spec and commercial buffer tubes. All steel manufacture. With HK round tool attachment points as well as traditional wrench...HKP-15230$35.95 -
HK G36/UMP Folding Stock Release Spring
H&K Heckler & Koch
$9.95HK G36 Folding Stock Release Spring This is the spring that fits under the stock release button to activate the folding and retention of the G36 or UMP stock. Compatible With: HK G36 HK G36K HK G36C UMPHKP-00637$9.95