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
HK G36, SL8 Sling Pin Retaining Clip for Handguards
H&K Heckler & Koch
Now: $8.96Was: $9.95HK G36 & SL8 Sling Pin Retaining Clip Compatible With: HK G36 HK G36K- older version only HK SL8-1 , SL8-6 Factory ForearmNow: $8.96Was: $9.95 -
Out Of StockOn Sale
HK UMP, USC Stock Block C - 9mm / .40 S&W / .45 ACP
HDPS
Now: $143.95Was: $159.95HDPS HK UMP & USC Stock Block C Each unit comes with a new push-pin design. This is the part to use with the ACE hinge part number FSM-TB (push button folding stock) and non-folding push bottom (pig nose). This is just...Now: $143.95Was: $159.95 -
On Sale
HK G3 Butt Plate with Catch Spring - Standard Stock - Black - Used - BLEMISHED
H&K Heckler & Koch
Now: $0.97Was: $2.95HK G3 Standard Stock Buttpad - Black - Used - BLEMISHED SOLD INDIVIDUALLY - CRACKED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This German-made buttpad is an excellent replacement for your...Now: $0.97Was: $2.95 -
On Sale
HK MP5K Pistol Stabilizing Brace - SBA5
SB Tactical
Now: $224.06Was: $248.95SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace SB Tactical combined with our MP5K end cap creates a true drop-in brace, perfect for those seeking the flexibility that the SBA5 pistol stabilizing brace offers. With a 5-position adjustable length, this...Now: $224.06Was: $248.95 -
On Sale
HK MP5 QD End Cap with Buffer - Black - BLEMISHED
HKP HK Parts
Now: $37.46Was: $99.95HK MP5 QD End Cap with Buffer - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. With this MP5 QD end cap upgrade you will get a heavier buffer...Now: $37.46Was: $99.95 -
On Sale
B&T SPC9/10/45 Complete Stock Conversion Kit
B&T Brugger & Thomet
Now: $148.50Was: $165.00B&T SPC9, SPC10, SPC45 Complete Stock Conversion Kit Factory B&T kit to convert the B&T retractable brace to a retractable stock configuration. Includes: Buttplate Limiter Screws Compatible With: B&T SPC9 B&T SPC10 B&T...Now: $148.50Was: $165.00 -
On Sale
HK MP5 Stock or Brace Adapter - Folding - Alpha
MI Midwest Industries
Now: $377.95Was: $419.95MI/HKP HK MP5 Alpha Folding Brace/Stock 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 exact style of...Now: $377.95Was: $419.95 -
On Sale
HK MP5 Stock with Brace Adapter
Magpul
Now: $170.95Was: $189.95Magpul HK MP5 Adapter with Stock MP5 DT Magpul stock ready to install on any in-spec MP5 receiver or clone. We take our AR MP5 Adapter and attach it onto a mil-spec buffer tube before combining it with the new Magpul DT Carbine stock. This is a great...Now: $170.95Was: $189.95 -
On Sale
B&T TP9, MP9, TP380 Stock Conversion Kit
B&T Brugger & Thomet
Now: $133.16Was: $147.95Stock Conversion Kit - TP9, MP9, TP380 Converts B&T's telescopic brace into a telescopic stock. Compatible with B&T part number BT-20522 for TP9, TP380. Compatible With: B&T TP9, MP9 B&T TP380Now: $133.16Was: $147.95 -
On Sale
B&T TP9/MP9 Locking Bar Folding Stock
B&T Brugger & Thomet
Now: $17.95Was: $19.95B&T TP9/MP9 Locking Bar Folding Stock Locking Bar for Swiss B&T manufactured Tactical Folding Stock For The TP9 & MP9. Compatible With: B&T TP9 B&T MP9Now: $17.95Was: $19.95 -
On Sale
HK USC (.45 ACP) USC to UMP Conversion ACR Stock Block
Now: $125.95Was: $139.95HK 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...Now: $125.95Was: $139.95 -
On Sale
HK 91, G3 Stock Set w/ Backplate - Black - Used Good
H&K Heckler & Koch
Now: $269.95Was: $299.95Original 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...Now: $269.95Was: $299.95