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
HK33, HK53, HK93, HK91, G3 Hex Buffer Screw - Front
HKP HK Parts
Now: $0.55Was: $0.69Enhanced Hex Style Buffer Screw New upgraded hex head style front buffer screw. Each buffer assembly uses 2 of these screws to affix the buffer to the back plate and central stock section. The old style buffer screws were used the older slotted head and...Now: $0.55Was: $0.69 -
On Sale
HK Locking Roller Pin - Bolt Head
H&K Heckler & Koch
Now: $8.96Was: $9.95HK Heckler & Koch HK Pin - Roller - Locking - Bolt Heads HK roller retainer pin or clamping sleeve (holds roller retainer plate in place). Each retainer pin works with all roller retainer plates & springs. All 3 types including oval-shaped...Now: $8.96Was: $9.95 -
On Sale
HK MP5, MP5K Magazine - 30 Round - LEO Marked
H&K Heckler & Koch
Now: $85.45Was: $94.95Heckler and Koch HK MP5, MP5K 30 Round Magazine with Reproduction LEO Marking Get the classic LEO-marked look without the cost of rare, surplus mags. Each magazine starts as a factory-fresh German HK 30-round mag and is professionally laser engraved with...Now: $85.45Was: $94.95 -
On Sale
HK 416 .22 Picatinny Pistol Brace/Stock Adapter
HKP HK Parts
Now: $50.36Was: $62.95HKP HK 416 .22 Picatinny Pistol Brace/Stock Adapter CNC billet machined in the USA from one piece of aircraft grade aluminum. Each adapter was fitted for optimal use on the HK 416 .22 Pistol models with a seamless fit. Each unit has a left and right side...Now: $50.36Was: $62.95 -
On Sale
HK MP5 Magazine - 9mm - 40 Round
AC-Unity
Now: $22.45Was: $24.95AC-Unity 40 Round HK MP5 9mm Magazine ADD QUANTITIES TO CART TO SEE BULK PRICING DISCOUNTS The AC-Unity 30 round MP5 magazine is a lightweight, impact resistant and reliable magazine for all 9mm HK MP5, SP5, MP5K, SP5K and clones. Constructed from...Now: $22.45Was: $24.95 -
On Sale
HK416, MR556 Magazine - 30 Round - Maritime
H&K Heckler & Koch
Now: $76.49Was: $84.99HK 416, MR556 30 Round Maritime Magazine - German HK The HK 416 and MR556 magazines will also fit all AR15/M16 variants. Designed to provide optimum ammunition feeding for any M16/M4/AR15-type weapon. Originally developed by HK for the British L85 (SA80)...Now: $76.49Was: $84.99 -
On Sale
HK MP5, AP5 Retractable Stock
MKE
Now: $283.45Was: $314.95MKE HK MP5, AP5 Stock - Retractable The missing piece to add the iconic appearance to your MP5-AP5 Clone. The collapsible design offers a custom length of pull for optimal comfort and control, while the easy-to-install mounting system offers dependable,...Now: $283.45Was: $314.95 -
On Sale
HK33, HK53, HK93, HK91, G3, MP5 Optic Mount - Front Sight Tower - Picatinny
HKP HK Parts
Now: $31.96Was: $39.95FRONT SIGHT TOWER RAIL MOUNT- Lights & Lasers HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...Now: $31.96Was: $39.95 -
On Sale
HK MP5, HK94 Cocking Tube Support Handle Pin
H&K Heckler & Koch
Now: $1.75Was: $1.95HK German MP5, 94 Cocking Tube Support Handle Pin This spring pin holds the cocking handle in place on the cocking tube support. This is also the same part for the front sight roll pin for the triple frame (front sight tower). Compatible With: HK MP5...Now: $1.75Was: $1.95 -
On Sale
HK Tower and Pin - Front Sight and Cocking Handle
H&K Heckler & Koch
Now: $1.75Was: $1.95H&K Front Sight Tower & Cocking Handle Pin Front sight tower roll pin for all HK 90 series front sights as well with some other applications. Compatible With: MP5 & SP5 MP5K & SP5K HK G3 & 91 HK 33, 53, 93Now: $1.75Was: $1.95 -
Out Of StockOn Sale
HK MP5K, SP5K, SP89 Stock - Folding - 9mm
Choate
Now: $179.95Was: $199.95Choate HK MP5K, SP5K, SP89 Stock - Folding - 9mm US Made Each stock features the same quick, open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the manufacturer's lifetime warranty but built tough enough that you...Now: $179.95Was: $199.95 -
On Sale
HK MP5, MP5K Magazine Floorplate - 9mm - US
HKP HK Parts
Now: $7.96Was: $9.95HK MP5 & MP5K 9mm Magazine Floor Plate - US New US manufactured MP5, MP5K 9mm magazine floor plate. Made in the USA, fully heat treated and built to factory specification. A great replacement for 922r compliance as it counts as 1 US made compliant...Now: $7.96Was: $9.95