HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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On Sale
HK MP5, SP5 Trigger Housing - 0,1,F Pictogram - Clipped and Pinned - Cerakote - BLEMISHED
H&K Heckler & Koch
Now: $219.95Was: $299.95Heckler and Koch HK MP5, SP5 0,1,F Pictogram Trigger Housing - Clipped and Pinned - Cerakote - BLEMISHED POOR FINISH COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE...HKP-99411-MNow: $219.95Was: $299.95 -
On Sale
HK MP5K, MKE AP5-P Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED
MKE
Now: $34.95Was: $49.95HK MP5K, MKE AP5-P Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This contoured trigger housing is...HKP-99396Now: $34.95Was: $49.95 -
HK MP5, AP5 Magazine Spring - 30 Round
MKE
$5.95MKE 30 round magazine spring for HK MP5- Turkey The MP5 30-round spring is a must-have replacement spring for all HK MP5 curved magazines. Compatible With: MP5, MP5K SP5, SP5K AP5HKP-22473$5.95 -
HK91, G3 Folding Stock - HDA3
Haga Defense
$349.95HDA3 Folding Stock for HK91, G3 The HDA3 is a modular, USA-made stock system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth adjustability, and...HKP-22356-M$349.95 -
HK MP5, SP5 ACR Folding Stock With Adapter - Picatinny
F5 MFG
$314.95F5 HK MP5/SP5 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 MP5 and other platforms. This drop-in ready assembly attaches with the MP5's...HKP-22350-M$314.95 -
Picatinny Optic Mount Shield - ACRO P2, C2 - S.W.O.R.D.S
Frost Defense
$239.95Aimpoint ACRO P-2, C-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint ACRO P2/C2 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the...HKP-22341-M$239.95 -
HK416, MR556, HK417, MR762 Pistol Grip - PSG1 Style
H&K Heckler & Koch
$102.95H&K PSG1 Style Grip Factory H&K PSG1-style grip, offering improved comfort and control for precision shooting. Features: Textured surface for enhanced grip stability Ergonomic design reduces hand fatigue Adjustable palm shelf for customizable...HKP-22311$102.95 -
On Sale
IMI UZI Complete A.R.S Lower Grip - USED
IMI
Now: $138.95Was: $189.95IMI UZI Complete A.R.S Lower Grip - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Israel manufactured complete lower grip. Each grip in is good condition and show signs of wear. Please Note: This lower grip may or may not be marked with the A.R.S...HKP-99193Now: $138.95Was: $189.95 -
HK91, G3 Tactical Handguard - Low Profile
PTR
$109.95PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides, with the...HKP-21806-M$109.95 -
On Sale
Muzzle Brake - .22 Full Port - Titanium
Tactical Precision MFG
Now: $42.95Was: $84.99Full Port Muzzle Brake - .22 Cal - 1/2x28 This titanium muzzle brake is designed by a master gunsmith and is one of the best and lightest on the market. The spiral port outlets along with the parabolic internal taper significantly reduces recoil while...HKP-20771Now: $42.95Was: $84.99 -
HK G36, G36K Folding Stock - FDE
HKP HK Parts
$109.95Folding Stock - HK G36, G36K - Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like a shorter stock to choose the G36C length stock. Each...HKP-19298$109.95 -
HK MP5K LS5 Trigger Group, Complete - Semi, Shelf
Lee Sporting
$549.95Lee Sporting LS5 Complete Trigger Group - MP5K Ergonomic upgrade to OEM grip. 4.3oz lighter than OEM trigger group. Housing made from MJF PA11 Nylon. Bespoke ejector lever CNC cut from 4140. Compatible With: HK PTR Dakota Tactical Other clones that...HKP-20466$549.95