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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HK SL8 Adjustable Buttstock Piece - Used - Gray
H&K Heckler & Koch
$19.95HK SL8 Adjustable Buttstock Piece Gray in Color - USEDHKP-20051$19.95 -
HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included - OD Green
SB Tactical
$294.95SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - OD Green MP5K, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling...HKP-20354$294.95 -
HK416, HK417 Buttstock Release Lever
H&K Heckler & Koch
$21.95Heckler and Koch Buttstock Release Lever HK416 and HK417 The buttstock release lever locks the telescopic buttstock to the tubular rear buttstock extension. The buttstock is adjustable in length in 6...HKP-18948$21.95 -
HK G36 Folding Brace Mount
Haga Defense
$227.95Haga Defense Folding Brace Mount for HK G36 The Haga Defense folding brace mount is designed for HK G36 platforms and provides an interface for compatible Tailhook-style pistol braces. It mounts to...HKP-22915$227.95 -
On Sale
HK MP5 Sling Swivel Circlip
H&K Heckler & Koch
Now: $3.71Was: $7.95Heckler and Koch Sling Swivel Circlip for HK MP5 Genuine Heckler and Koch sling swivel circlip designed for HK MP5 pattern firearms. This circlip secures the sling swivel assembly to the firearm and...HKP-99368Now: $3.71Was: $7.95 -
On Sale
AR15 Buffer Tube - Hex - 7.5" - BLEMISHED
Sig Sauer
Now: $14.96Was: $44.95SIG Sauer Phase 5 Hex Buffer Tube for AR-15 Pistols - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IHKP-99304Now: $14.96Was: $44.95 -
On Sale
HK G3 A2 Adjustable Stock Extension - GUNSMITH SPECIAL
USA
Now: $22.46Was: $69.95G3 A2 Adjustable Stock Extension -GUNSMITH SPECIAL MISSING EXTENSION BLOCKS Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith...HKP-00872-BNow: $22.46Was: $69.95 -
On Sale
HK MP5K Stock or Brace Adapter - .40 S&W, 10mm
HKP HK Parts
Now: $72.64Was: $113.95HKP HK Parts .40S&W and 10mm Brace and Stock Adapter for HK MP5K Easily attach your favorite A2 style stock to your MP5K 40, 10 with this durable, precision-engineered adapter. Made in the US and...HKP-21869Now: $72.64Was: $113.95 -
B&T Polymer Lower for USW-M17 - Coyote Tan
B&T Brugger & Thomet
$355.00B&T Polymer Lower for USW-M17 - Coyote Tan The practical polymer conversion kit transforms a normal P320 (full-size or compact) in less than two minutes into a USW-320 with integrated stock. Just...HKP-21743$355.00 -
HK SL8 Adjustable Buttstock Piece - Gray
H&K Heckler & Koch
$29.95HK SL8 Adjustable Buttstock Piece - Gray Genuine HK adjustable buttstock insert.HKP-16995$29.95 -
On Sale
HK416, MR556 Threaded Pin for Buttstock Release Inserts - E1, E2 - BLEMISHED
H&K Heckler & Koch
Now: $3.35Was: $5.95H&K HK MR556/416 Threaded Pin for E1/E2 Buttstock Release Lever Insert - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-16604-BNow: $3.35Was: $5.95 -
HK MP5K Stock or Brace Adapter - .40 S&W, 10mm
HKP HK Parts
$129.95HKP HK Parts Brace and Stock Adapter for HK MP5K .40, 10mm Add your favorite brace or stock to your 40 or 10mm MP5K with the HK Parts stock adapter. Designed to adapt UMP style and B&T folding...HKP-21832$129.95