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 OTB E1 Buttstock and Buffer Tube Set
H&K Heckler & Koch
$469.95H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo Genuine HK416 E1 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 smooth...HKP-20104$469.95 -
HK MP5 Folding Stock with HK Parts Adapter
HKP HK Parts / Heckler & Koch
$269.95German Folding Stock with HK Parts Adapter - MP5 German folding stock with MP5 HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5 (NOT compatible with MP5 .22...HKP-19453$269.95 -
HK MP7 Retractable Buttstock
H&K Heckler & Koch
$199.95H&K HK MP7 Retractable Stock New Rare HK MP7 - 1 Position - Retractable Buttstock Compatible With: All MP7A1 and MP7A2 FirearmsHKP-18552$199.95 -
HK UMP Lower Backplate
H&K Heckler & Koch
$34.95HK Heckler and Koch .40 S&W, .45 ACP, 9mm Lower Backplate for HK UMP HK German Backplate for all UMP lowers. You will need to add your existing buffer or order one to make a complete buffer assembly.HKP-16473$34.95 -
HK Single Point Sling - ACU Digital Camo
HKP HK Parts
$29.95HKP Single Point Sling - ACU Digital Camo HK single-point bungee sling for use on all HK & other firearm applications. This super high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point...HKP-15041$29.95 -
On Sale
AR-15 Commercial Buffer Tube
HKP HK Parts
Now: $16.95Was: $24.95AR-15 Commercial Buffer Tube Compatible With: All AR-15 style platforms Not correct length for HK rifles Features: Made From T7 7075 Aircraft grade aluminum Made in the USA 6 Position Each features a highly polished inside tube Black Mil-spec triple...HKP-02728Now: $16.95Was: $24.95 -
On Sale
HK MP5K Folding Stock With Direct Fit Adapter
MI Midwest Industries
Now: $369.95Was: $419.95HK MP5K Folding Stock With Direct Fit 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...HKP-21514-MNow: $369.95Was: $419.95 -
On Sale
HK V51 Backplate
HKP HK Parts
Now: $99.95Was: $167.95HKP V51 Backplate HK Parts brings you a long lost part that was no longer available till now. The Vector Arms V51 firearms was one of the most aclaimed PDW of its time but replacement parts have become difficult to source. We now take like new G3...HKP-21201Now: $99.95Was: $167.95 -
On Sale
HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included - OD Green
SB Tactical
Now: $229.95Was: $294.95SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter - OD Green MP5, 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-20351Now: $229.95Was: $294.95 -
Out Of Stock
AB-8 and Stock or Brace Adapter - 1913 Folding Mech
JMAC Customs
$269.95JMAC Customs AB-8 w/ Brace/Stock Adapter and 1913 Folding Mech If your firearm doesn't already have a 1913 attachment rail on the rear, choose the appropriate adapter above! (A)rm(B)ar(8)inch + AB-BA brace adapter + JMac 1913 folding mech. (not...HKP-20148$269.95 -
HK416, MR556 Buffer Tube - Enhanced - Commercial
H&K Heckler & Koch
$249.95HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial: Genuine HK German manufactured 416, MR556 new style latest generation marine environment & over the beach buffer tube. Each Commercial buffer tube has built in drainage...HKP-15424$249.95 -
Picatinny 8" Stock with 1913 Folding Mech
JMAC Customs
$304.90 - $309.90JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...HKP-21241-M$304.90 - $309.90