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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HK416, MR556 Mil-Spec German E1 Stock
H&K Heckler & Koch
$222.95H&K HK MR556 & HK416 Mil-Spec German E1 Stock The HK E1 Buttstock fits mil-spec buffer tubes (receiver extensions) for M4/AR15-type weapons. Each stock comes with the convex buttpad as found on factory-issued HK 416s. Compatible With: MR556...$222.95 -
Snap Hook 1" - Universal
USA
$4.95Snap Hook 1" This is a 1" HK-style snap hook for sling or other custom projects. We also offer 1.25" HK sling hooks, as these are great spare parts to have on hand.$4.95 -
HK UMP & B&T APC Folding Brace
SB Tactical
$79.95SB Tactical HK UMP Omega / APC Folding Brace SB tactical folding brace for the HK UMP, Omega UMP & B&T APC offerings. This is a brand new offering that was made for the new release of the Omega UMP pistol offerings now hitting the market...$79.95 -
HK 91, G3 Stock Set w/ Backplate - OD Green - Hand Picked
H&K Heckler & Koch
$84.95Original G3, 91, PTR German Army Used Surplus O.D. Green Stock Set - Complete Factory HK German Production. Each stock set is used but in perfect working order. Each set was hand picked and the best sets we have in stock. Includes: Slimline...$84.95 -
HK416, MR556 Mil-Spec Enhanced Buffer Tube
H&K Heckler & Koch
$254.95HK 416 & MR556 OTB (over the beach) Buffer Tube/Receiver Extension Each mil-spec buffer tube has built-in drainage holes in the rear of the tube and also on the bottom to maximize efficiency. Each buffer tube has ball-bearing rollers to tighten the...$254.95 -
HK91, G3, PTR Wood Stock
H&K Heckler & Koch
$199.95Wood Stock - Used - Excellent Shape - HK G3, 91, PTR Complete rear stock for HK91/G3, PTR. These stock sets were in use with the German military and come used in varying degrees of condition ranging from very good to excellent shape overall. A rare...$199.95 -
HK UMP, USC Stock Block - B Pin Style - 9mm / .40 S&W / .45 ACP
HDPS
$209.95New Latest Production HDPS HK USC/UMP Stock Block -B Pin Style For use with all HK UMP factory or US-made folding stocks. Each unit comes with a new push-pin design. This is a required part of the HK USC-UMP style conversion. Each part is the latest...$209.95 -
HK Sling Hardware
H&K Heckler & Koch
$4.95HK German Sling Hardware New Old Stock Slider and sling tension adjuster for HK style slings and other sling applications. Steel manufacture.$4.95 -
HK Sling Pin - Stock - Large
H&K Heckler & Koch
$43.95H&K Ambidextrous Stock Sling Pin - Large The ambidextrous sling hook push pin replaces the stock push pin on the rear stock of the HK firearm, to enable the use of an HK sling for both left and right hand use. This part will replace and work on any...$43.95 -
HK91, G3 Stock Set - Jungle Green - Surplus
H&K Heckler & Koch
$26.95Original German Army Used Surplus G3, 91, PTR Tropical/Jungle 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...$26.95 -
On Sale
HK33, HK53, HK93 Backplate - Painted - BLEMISHED
H&K Heckler & Koch
Now: $29.96Was: $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...Now: $29.96Was: $59.95 -
Picatinny - Dual Folding Adapter - Stabilizer
Strike Industries
$197.99Strike Dual Folding Adapter - Stabilizer This new stabilizer is the perfect option for the MP5 or MP5K platform that utilizes a 1913 picatinny back plate. For a quick and easy ambidextrous folding action. The Strike Dual Folding Adapter is a...$197.99