Rifle / SMG Parts
Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/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, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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On Sale
HKP 30mm Barrel Mounted Dual Picatinny Rail
HKP HK Parts
Now: $4.95Was: $14.9530mm Barrel Mount, Dual Picatinny Rail Features: Mounts directly to the barrel 4 screws supplied for a secure fit Double sided Picatinny rail for vertical or horizontal mountingHKP-16674Now: $4.95Was: $14.95 -
HKP HK 416 (5.56/.223) A5 Converted Barrel - Threaded 1/2x28
HKP HK Parts
$588.95HKP/H&K 416 (5.56/.223) & A5 Converted Barrel - Threaded 1/2x28 These barrels began as standard A3 style but have been precisely machined with an A5-style relief cut to fit HK 416 & MR223 A5 uppers. Now, you can have a drop-in barrel for your...HKP-21449$588.95 -
HKP HK 93/53/33 (5.56/.223) Firing Pin - Titanium
HKP HK Parts
$49.95HK93, 33, 53 Firing Pin - Titanium A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK 93, HK33 & HK53 weapon system. Get the lightest, strongest firing pin available for your HK firearm. Ideal for...HKP-17769$49.95 -
HKP HK G36 Magwell - FDE
HKP HK Parts
$39.95Magazine Well - Magwell FDE - HK G36 Allows use of all factory G36 & Magpul G36 magazines. Fits all 30 round, 10 round & 100 round magazines & drums. Compatible With: HK G36 HK G36K HK G36C Clones or other customer buildsHKP-19300$39.95 -
HKP HK SP5 ACR Adapter
HKP HK Parts
$139.95HKP HK SP5 ACR Adapter We now offer the ultimate solution for converting the ACR Stock to be fully compatible with your MP5, SP5, and clones. Our cutting-edge aircraft grade aluminum MP5 ACR adapter comes with a pre-installed buffer, ensuring a seamless...HKP-21519$139.95 -
HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH
HKP HK Parts
$369.95HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH This new 16.5" threaded barrel is designed for UMP or Omega firearms, with precise 16x1 LH threading. Ideal for those looking to upgrade or replace their barrel. Specifications: Overall Length 16.5" Threaded...HKP-19395$369.95 -
HKP MP5 40/10 Bolt Hold Open Weldment Set Complete
HKP HK Parts
$189.95HKP MP5 40/10 Bolt Hold Open Weldment Set Complete Not offered or available anywhere else. This is the correct weldment set for the MP5 40/10 BHO components.HKP-17648$189.95 -
HKP MP5 9mm Titanium Flash Hider - 3-Lug
HKP HK Parts
$139.95HKP MP5 9mm Titanium Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found...HKP-20223$139.95 -
IMI 25 Round UZI Magazine - New Old Stock
IMI
$54.95Uzi 25 Round 9mm Magazine - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowed Mec-Gar magazine manufacturing company with IMI Licensing. An all steel production and a blued finish to help protect it against rust. These are the last...HKP-21232$54.95 -
JMAC Universal 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 mechanisms 7075...HKP-21241-M$304.90 - $309.90 -
Out Of Stock
Kinetic Development Group Sidelok Modular Optic Mount - 30mm
$224.95Kinetic Development Group Sidelok Modular Optic Mount - 30mm The new KDG Modular Optic Mount is based off the proven Sidelok family of quick detach optic mounts and features the same user-friendly, tool-free design. KDG set out to design a Sidelok mount...HKP-19062$224.95 -
Magpul 50 Round AR 7.62 D50 LR/SR GEN M3 308 PMAG
Magpul
$149.95Magpul Industries, Magazine, PMAG D-50, 308 Win/762NATO, 50Rd, Fits DPMS/SR25/LaRue OBR, Black Finish The Magpul PMAG D-50 is a rugged, lightweight, and reliable 50-round polymer drum magazine designed for 7.62x51 NATO/.308...HKP-19516$149.95 -
Magpul XTM Hand Stop Kit
Magpul
$19.95Magpul XTM Hand Stop Kit The four-piece XTM Hand Stop Kit is a lightweight, low-profile rail-mounted index point for improved weapon control or as a forward stop to prevent the shooter's hand from reaching the hot front sight assembly or muzzle. The kit...HKP-14535$19.95 -
Midwest Industries B&T APC Brace, Stock Adapter
$69.95Midwest Industries B&T APC Brace, Stock Adapter Features: Made in the USA Easy installation Adds section of picatinny rail to back of receiver for stocks, arm braces, and sling adapters Constructed of 6061 aluminum hardcoat...HKP-19673$69.95 -
Outers Barrel .308/7.62 Bore Cleaner
$7.95Outers Barrel .308/7.62 Bore Cleaner From the makers of the BoreSnake. Features: Fast, quality bore cleaning system Size stamped on brass weight Washable Make your day shooting end easily with the Outers Barrel badger Bore Cleaner. With a few passes,...HKP-19921$7.95 -
PTR HK 33/93/G3K Tactical Forearm
PTR
$129.95HK 33, 93, G3K & PTR (shorter length) Tactical Hand Guard - US Made This robust tactical forearm allows the addition of either 2, 3, 4, or 6-inch bottom and side rails, giving you the greatest ability to customize your rails and configuration of any...HKP-00367$129.95 -
PTR-32 (7.62x39) Locking Piece - 65 degree
PTR
$67.95PTR-32 (7.62x39) Locking Piece - 65 degree New PTR Locking Piece For PTR-32. Marked "32" for the PTR-32 series of rifles and pistols. This is a 65 degree locking piece. New PTR manufacture. This locking peice will also work for custom HK builds as well.HKP-18520$67.95 -
RCM HK 93/53/33 # 8 Locking Piece 53 Degree
RCM
$49.95RCM HK 93/53/33 # 8 Locking Piece 53 Degree New 53 Degree #8 Locking Piece for the HK 93, 33, C93 & V93 rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A pefect upgrade for your well used or questionable C93 or C93P...HKP-16555$49.95 -
RCM HK 99/33/33K Full Auto Bolt Carrier US - Black
RCM
$359.95HK 93, 33 & 33K Full Auto Bolt Carrier - US - RCM Brand new US RCM manufactured new style HK33/93, 33K factory bolt carrier. The finest HK bolt carrier ever made with the latest & greatest German inspired improvements and updates. Ideal for...HKP-20537$359.95 -
RCM HK MP5 10mm Barrel - Threaded 14x.75
RCM
$279.95RCM HK MP5 10mm Barrel - Threaded 14x.75 Enhance your MP5 with the RCM HK MP5 10mm Barrel, featuring precise 14x.75 threading. Expertly crafted for German MP5 models, this barrel ensures superior durability and performance. Ideal for both custom builds...HKP-21156$279.95 -
SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace
SB Tactical
$349.95SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA4 is 5-position adjustable and features an integral, ambidextrous QD sling socket. Includes: HK Parts...HKP-19930$349.95 -
Timney Triggers HK91 .308 2-Stage Trigger Complete
Timney Triggers
$599.95Timney Trigger for .308 - HK91 SEF Timney trigger group comes completely assembled and ready to drop in to your receiver. Set up with a German ejector lever, new SEF selector lever and a brand new factory German housing for the best trigger group...HKP-20513-CP$599.95 -
Troy Industries - HK MR556/416 - Offset Sight Set - Front and Round Rear
Troy Industries
$265.95HK 416 / MR556 - 45⁰ OFFSET BATTLESIGHT SET – HK FRONT & ROUND REAR Durability and dead-on accuracy have made Troy Industries Folding BattleSights the choice of Special Ops and tactical users worldwide. The TROY 45 Degree Folding...HKP-21289-M$265.95 -
On Sale
AR-15 Magazine Loader
USA
Now: $22.95Was: $39.95AR-15 Magazine Loader - Ram-It Loader Magazine Loader for 556 and 223 magazines. Made in the USA from ABS. Very simple to use.HKP-21154Now: $22.95Was: $39.95 -
B&T MP5 Folding Stock/Length Adjustable Helmet Stock
B&T Brugger & Thomet
$379.95B&T MP5 Folding Stock/Length Adjustable Helmet Stock Swiss made B&T folding and length adjustable helmet stock for the HK MP5 and compatible HK MP5 style firearms. This is a military grade stock as supplied by B&T to military and law...HKP-18244$379.95 -
B&T TP9/MP9 Polymer Quick Detach Brass Catcher - Black
B&T Brugger & Thomet
$197.95B&T TP9/MP9 Polymer Quick Detach Brass Catcher - Black This is the new style brass catcher that only fits new style TP9 top covers. Specifications: Color: Black Height max: 102.2 mm Length max: 122 mm Material: Polymer Mounting: Weapon must be...HKP-17286$197.95 -
$24.95 -
FMP HK 21 (7.62x51/.308) Bolt Carrier - HK Contract w/ FMP
FMP
$549.95HK21 HK Factory FMP Stripped Bolt Carrier New factory surplus.HKP-00566$549.95 -
GSG GSG-5PK Vertical Grip w/ Rails
GSG German Sports Guns
$99.95GSG-5PK Vertical Grip w/ Rails Fits the PK model ONLY. Please Note: This is an item that can ONLY be added once you have the valid NFA approval before installation.HKP-02403$99.95 -
H&K / HKP HK MP5, 94 Trigger Group Engraved 3 Position Navy Housing 0,1- Safe, Semi Only
$749.95H&K / HKP HK MP5, 94 Trigger Group Engraved 3 Position Navy Housing 0,1- Safe, Semi Only Finally, a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 3 position Navy factory German HK...HKP-17237$749.95 -
H&K 91/G3 (7.62x51/.308) A3 Retractable Stock Buttpad
H&K Heckler & Koch
$24.95HK G3 & HK 91 A3 Retractable Stock Rubber Buttpad - German This item is a great spare itemsto have on hand as the factory buttpads found on used or surplus stocks are often worn or damaged. Made in Germany by H&K. Compatible With: New style HK...HKP-16853$24.95 -
H&K 91/G3 (7.62x51/.308) Complete Trigger Pack - Semi Auto
H&K Heckler & Koch
$348.95H&K G3/91 (7.62x51/.308) Complete Trigger Pack - Semi Auto HK German manufactured trigger pack complete with all the parts being professionally converted from a factory German F/A trigger pack to semi-only. Compatible With: HK91, G3, PTR...HKP-00217$348.95 -
H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Good
H&K Heckler & Koch
$354.95H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Good These are pulled from German military HK G3 rifles. These work great as spares or for collectible items. These are used but in good shape overall. Includes: SEF Black Polymer...HKP-00930$354.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - Blue Floor Plate
H&K Heckler & Koch
$79.95H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - Blue Floor Plate 10 Round German Steel 308 Magazine with blue US made floorplate (Counts as one US made Part for 922r compliance) for HK Rifles. This magazine is made by Heckler and Koch...HKP-18794$79.95 -
Out Of Stock
H&K G36 (5.56/.223) Cocking Handle Bushing
H&K Heckler & Koch
$9.95HK German G36 Cocking Handle BushingHKP-01869$9.95 -
H&K HK 416 .22 Folding Front Sight
Umarex / Walther
$59.95Umarex HK 416D .22 Folding Front Sight This is a drop in part that does not require any gunsmithing or special applications on the HK 416D .22 Rifle or pistol. Each unit comes complete with the mounting hardware to the front mounting point...HKP-02681$59.95 -
H&K HK 416 Commercial OTB Buffer Tube HK E1 Stock Combo - Black
H&K Heckler & Koch
$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...hkp-18361$469.95 -
H&K HK G36 & SL8 Firing Pin - All Variants - Black
H&K Heckler & Koch
$51.95HK German G36/SL8 Firing Pin This is a great spare to have on hand. The firing pin fits all G36, G36K, G36C & SL8 variants. Compatible With: HK G36/G36K/G36C HK SL8HKP-00289$51.95 -
Out Of Stock
H&K HK G36 Complete 3X Single Optic Carrying Handle
H&K Heckler & Koch
$695.99H&K HK G36 Complete 3X Single Optic Carrying Handle Brand new. Mounting hardware offered separately.HKP-16388$695.99 -
H&K HK MR556/MR762 Tactical Sling Adapter
H&K Heckler & Koch
$130.00HK MR556 & MR762 Factory Sling Adapter - Swivel Style Factory HK German design. New HK manufactured part that allows the factory HK416 and MR762 slings to fit the MR556 and MR762 by providing the proper attachment point. This unit swivels...HKP-02507$130.00