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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HK91, G3 A3 Retractable Buttstock - New Old Stock
H&K Heckler & Koch
$1,345.95Heckler and Koch HK91, G3 A3 Retractable Stock - New Old Stock Genuine HK A3 retractable stock the HK91 or G3. These are original HK production units that have been out of manufacture for years, making remaining NOS increasingly rare. Compatible...HKP-22104$1,345.95 -
HK MP5 Dual Folding Stock with Adapter - .22LR
HKP HK Parts / Strike Industries
$319.95Strike Industries HK MP5 .22LR Dual Folding Stock with Adapter The Strike Industries Dual Folding Stock paired with the HKP MP5 .22LR picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock...HKP-21769-M$319.95 -
Out Of StockOn Sale
HK MP5K Pistol Brace With Direct Fit Adapter - SBA4 - Gray
SB Tactical
Now: $269.95Was: $294.95SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - Gray MP5K, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment.This brace is the perfect addition for...HKP-20477Now: $269.95Was: $294.95 -
HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included - FDE
SB Tactical
$294.95SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - FDE MP5K, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment.This brace is the perfect addition for...HKP-20353$294.95 -
Triangle Stock - TS-8 with 1913 Folding Mech
JMAC Customs
$284.99JMAC Customs TS-8 w/ 1913 Folding Mech Triangle stock 8" with our 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length Drilled and tapped for optional cheek risers (will be available in the future) Compatible with SIG folding...HKP-20145$284.99 -
HK MP5K 3-Position Folding Adjustable Stock
B&T Brugger & Thomet
$494.95B&T HK MP5K 3-Position Folding Adjustable Stock Swiss made B&T folding and length adjustable stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide. B&T AG...HKP-18243$494.95 -
On Sale
HK Handguard Sling Pin - Ambi - Small - USED
H&K Heckler & Koch
Now: $42.95Was: $61.95HK Handguard Sling Pin - Ambi - Small - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. This ambidextrous pin will allow the user to attach a sling hook to...HKP-00077-USEDNow: $42.95Was: $61.95 -
Picatinny 6" Skeletonized Tube with 1913 Folding Mech
JMAC Customs
$227.90JMAC 6" Skeletonized Tube with 1913 Folding Mech This M4 tube adapter replaces the standard buffer tube to ensure the stock folds as flat as possible! Fits most M4 style stocks/braces Features: Integrated QD Sling Sockers 6” Length 6...HKP-21244$227.90 -
HK416, HK417 Stock Release Lever - RAL7008
$21.95Stock Release Lever - RAL 7008 - HK 416 & 417HKP-19527$21.95 -
HK51, PTR PDW Stock - AR15 Style
PTR
$339.95HK51, PTR PDW Magpul Stock - AR-15 Style AR15/M16 to HK 90 series stock adapter for the HK51 and PTR PDW. This is a perfect compliment for those that want to use the popular Magpul Moe stock. Each adapter includes the proprietary locking ring, Magpul MOE...HKP-15753$339.95 -
HK MP5 Folding Stock - 3 Position Adjustable
B&T Brugger & Thomet
$389.95B&T Brugger & Thomet 3 Position Adjustable Folding Stock for HK MP5 Swiss made B&T folding and length adjustable stock for the HK MP5. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide...HKP-18100$389.95 -
On Sale
HK91, G3 A2 Stock - Tan - Saudi Contract - Rare
Other
Now: $168.95Was: $279.95VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Original Saudi Arabian contract G3 A2 fixed stock in tan. Don't miss your chance to get a rare contract G3 stock assembly in this condition. Compatible With: HK91, G3 In spec. clones and custom builds THIS...HKP-99424Now: $168.95Was: $279.95