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 UMP & B&T APC Folding Brace
SB Tactical
Now: $71.95Was: $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...Now: $71.95Was: $79.95 -
On Sale
HK416, MR556 Mil-Spec Enhanced Buffer Tube
H&K Heckler & Koch
Now: $229.45Was: $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...Now: $229.45Was: $254.95 -
On Sale
HK Sling Pin - Stock - Large
H&K Heckler & Koch
Now: $39.56Was: $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...Now: $39.56Was: $43.95 -
On Sale
HK UMP, USC Stock Block - B Pin Style - 9mm / .40 S&W / .45 ACP
HDPS
Now: $188.95Was: $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...Now: $188.95Was: $209.95 -
On Sale
HK MP5, HK93, HK33 Fixed Wood Stock
H&K Heckler & Koch
Now: $359.95Was: $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 integrated with the factory 93/33 buffer assembly and...Now: $359.95Was: $399.95 -
On Sale
HK Sling Hardware
H&K Heckler & Koch
Now: $4.46Was: $4.95HK German Sling Hardware New Old Stock Slider and sling tension adjuster for HK style slings and other sling applications. Steel manufacture.Now: $4.46Was: $4.95 -
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 -
Out Of StockOn Sale
Picatinny - Dual Folding Adapter - Stabilizer
Strike Industries
Now: $178.19Was: $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...Now: $178.19Was: $197.99 -
On Sale
AR15 Castle Nut for Buffer Tubes
Ergo
Now: $8.99Was: $9.99Ergo AR-15 Castle Nut For Buffer Tubes - US Made Steel Castle-nut for AR buffer tubes fits both mil-spec and commercial buffer tubes alike. Compatible With: HK MR556 & 416 AR-15 style platformsNow: $8.99Was: $9.99 -
On Sale
HK416A5 Castle Nut - Extended
H&K Heckler & Koch
Now: $68.36Was: $75.95H&K HK416 A5 Factory German Extended Castle Nut Original HK Factory German steel 416 A5 Extended Castle Nut. Perfect for MR556, HK 416 A5 builds, or upgrades.Now: $68.36Was: $75.95 -
On Sale
HK MP5, HK94 Stock - Folding "
Choate
Now: $197.95Was: $219.95Choate MP5 & HK94 Folding Stock Each stock features the same quick open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the manufacturer's lifetime warranty but built tough enough that you will never have to use...Now: $197.95Was: $219.95