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
HK416 Commercial OTB Buffer Tube HK E1 Stock Combo
H&K Heckler & Koch
Now: $422.95Was: $469.95HK 416 OTB E1 Stock & Buffer Tube Combo - Commercial Genuine HK 416 E1 commercial stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the stock when locked in position, and helps...Now: $422.95Was: $469.95 -
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 -
On Sale
HK MP5K Ultra Carbine Stock and Adapter
HKP HK Parts / Magpul
Now: $281.65Was: $312.95HK MP5K Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5K pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right folding...Now: $281.65Was: $312.95 -
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 -
Out Of StockOn Sale
B&T GHM9/45 Stock Telescopic
B&T Brugger & Thomet
Now: $459.00Was: $510.00B&T Stock Telescopic for GHM9/45 Factory B&T 3-position telescopic stock for the GHM9 and GHM45 platforms. Compatible With: B&T GHM9/GHM45Now: $459.00Was: $510.00 -
On Sale
HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included - 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...Now: $269.95Was: $294.95 -
On Sale
B&T MP5 3 Position Adjustable Folding Stock
B&T Brugger & Thomet
Now: $350.95Was: $389.95B&T MP5 3 Position Adjustable Folding Stock 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...Now: $350.95Was: $389.95 -
On Sale
HK MP5K, SP5K ACR Folding Stock with Stock or Brace Adapter - Picatinny
F5 MFG
Now: $292.45Was: $324.95HK MP5K, SP5K ACR Folding Stock w/Adapter - Picatinny The HKP picatinny end cap with the F5 ACR stock allows users to easily swap this, and other stocks, between their K and other platforms. This drop-in ready assembly attaches with the K's two...Now: $292.45Was: $324.95 -
On Sale
B&T APC Stock - Folding - MBT
B&T Brugger & Thomet
Now: $328.50Was: $365.00B&T MBT Folding Stock for APC (Stock Only, No Hydraulic Buffer) Features: 8 position length adjustment Telescoping cheek riser w/ 3 position height adjustment Folds to the right canted downward 3.5 degrees Locks folded Fires folded Steel QD...Now: $328.50Was: $365.00 -
On Sale
Triangle Stock - TS-8 with 1913 Folding Mech
JMAC Customs
Now: $256.49Was: $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...Now: $256.49Was: $284.99 -
On Sale
HK51, PTR PDW Stock - AR15 Style
PTR
Now: $305.95Was: $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...Now: $305.95Was: $339.95 -
On Sale
HK MP5 Folding Stock or Brace - HDA3
Haga Defense
Now: $314.95Was: $349.95HDA3 Stock and Brace System for HK MP5, SP5 The HDA3 is a modular, USA-made stock and brace system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth...Now: $314.95Was: $349.95