All Parts
At HK PARTS, we bring you a wide array of high-quality H&K accessories and components for your favorite firearms. Whether you're upgrading your H&K pistol or rifle, or even looking for parts kits, we've got you covered. Discover a range of top-rated components for popular models like VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, we have it all. Enhance your firearm's performance and functionality with our premium components.
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Snap Hook 1"
USA
$4.95Snap Hook 1" This is a 1" HK-style snap hook for sling or other custom projects. We also offer 1.25" HK sling hooks, as these are great spare parts to have on hand.HKP-00730$4.95 -
Choate MP5K/SP89 9mm Steel End Cap W/ Buffer
Choate
$45.95MP5K & SP-89 Steel End Cap With Replaceable Rubber Buffer Fits perfectly on all HK MP5K-type builds or projects. All metal construction, so you know it will last. Each unit comes with a sling loop for use with multiple sling types. Compatible...HKP-00395$45.95 -
H&K / HKP 22 Round HK VP9 9mm Enhanced Magazine Complete
H&K / HK Parts
$89.9522 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30 HP Parts' latest and greatest VP9/P30 enhanced magazine extension. Our new design represents a symbiotic balance of form and function. The added grooves enhance dexterity during those quick mag...HKP-21405-M$89.95 -
H&K 31 Round HK USP 9mm Tactical Magazine - Black
H&K Heckler & Koch
$149.00H&K 31 Round HK USP 9mm Tactical Magazine - Black HK German manufactured for the USP 9mm full-size pistol. Holds 31 rounds of 9mm ammunition. Compatible With: HK USP 9mm full-size Variants HK USP .40 (reduced capacity vs 9mm) Will NOT work in...HKP-00302$149.00 -
H&K 8 Round HK USPC/45C .45 ACP Floorplate w/ Pinky Rest - Black
H&K Heckler & Koch
$12.95H&K 8 Round HK USPC/45C .45 ACP Floorplate w/ Pinky Rest - Black HK factory German, vintage style, all polymer 8 round magazine floor plate with finger rest. This floorplate can become cracked and worn with use and is a great spare part to have on...HKP-01199$12.95 -
H&K Ambidextrous Left Side Extended ESSL 4 Position Burst
H&K Heckler & Koch
$299.95HK German Ambidextrous Left Side EXTENDED Safety Selector Lever 4 Position Burst (0,1,3, F) The ESSL will allow the user to have an easier time getting to the selector lever than a standard length lever. Great for those who...HKP-00126$299.95 -
H&K Central Buttstock Section - Black - Used
H&K Heckler & Koch
$43.95H&K Central Buttstock Section - Black - Used This central section is 8 7/8" long overall. Has a buffer hole opening of .80 inches in diameter and will fit all standard buffers. This is a used German military stock section. Compatible With: G3, 91,...HKP-16210$43.95 -
H&K HK MP5 & HK94 Slimline Forearm - OD Green
H&K Heckler & Koch
$49.95H&K HK MP5 & HK94 Slimline Forearm - OD Green Used German military surplus O.D green slimline forearm with heat shield cut down to fit the MP5 & HK94. These are rare items only offered here at HK Parts. Each item is in good to excellent shape...HKP-20197$49.95 -
H&K HK MR556/MR762/416/417 V1 Battle Grip - Black
H&K Heckler & Koch
$79.95H&K 416/417 & MR556/762 V1 Battle Grip - Black This is a great upgrade for any AR15, M16/416 platform. New factory German HK manufacture. Compatible With: HK 416/MR556 HK 417/MR762 HK M27 HK G28 AR-15, M4, & M16 PlatformsHKP-01023$79.95 -
H&K MP5 & MP5K "F" Bolt Head Complete
H&K Heckler & Koch
$499.95MP5 & HKSP5, MP5K & SP5K F Bolt Head Complete - HK German This part will fit all HK 9mm rifles and MP5 pistols. This is the latest HK production and generation of bolt heads available. These are rare and HK now considers them restricted...HKP-00130$499.95 -
H&K MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group
H&K Heckler & Koch
$1,299.95H&K MP5, SP5 4 Position 0,1 Trigger Group - Universal Trigger group New HK German MP5, SP5 9mm 4 Position Burst (0,1,3, F) Trigger Housing professionally clipped & pinned and paired with a factory German MP5 trigger pack ready for your semi-auto...HKP-16725$1,299.95 -
H&K MP5SD 9mm Locking Piece
H&K Heckler & Koch
$179.95HK German MP5SD Factory Locking Piece MP5 "action" SD locking piece is the current factory-correct locking piece for the MP5SD. It is best to use the action 3 bolt head or F bolt head on all MP5SD's for the most reliable feeding and extraction, as these...HKP-00135$179.95 -
H&K USPC .45 ACP Barrel - Threaded 16x1 LH
H&K Heckler & Koch
$345.95H&K USPC .45 ACP Barrel - Threaded 16x1 LH This H&K USPC .45 ACP barrel features a threaded 16x1 LH design, ideal for enhancing your firearm. Made from cold hammer-forged steel with polygonal rifling, it ensures durability and precision. The...HKP-00320$345.95 -
H&K VP9/VP9SK, VP40 Catch Pressure Spring
H&K Heckler & Koch
$6.95H&K VP9/VP9SK, VP40 Catch Pressure Spring Compatible With: HK VP9 HK VP9SK HK VP40HKP-16800$6.95 -
HK MR556/416 10.5" Super Modular Rail System - Black
Geissele
$459.95Geissele HK416, MR556 10.5" Modular Rail - Black 9.7 " Extended free float rail for use with all HK 416 & MR 556 barrels. Please note: On the HK416 models the sling attachment point on the gas block will need to be removed to allow the handguard to...HKP-16459$459.95 -
HK UMP & G36 Pistol Grip Storage Insert
USA
$16.95HK UMP & G36 Pistol Grip Storage Insert G36 & UMP pistol grip insert for all G36 & UMP lower housings. This is the piece that locks into place and fits in the bottom of the handle itself. This is a perfect storage location for paperwork,...HKP-20176$16.95 -
HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate - Red
HKP HK Parts
$29.95HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate - Red A direct replacement for the cheap plastic slide plate that comes stock with your HK VP9, VP40. A great way to dress up and enhance your HK VP9, VP40 pistol. Made from CNC'ed aircraft grade aluminum,...HKP-17677$29.95 -
Maglula .22LR - .380 ACP Pistol Magazine Loader
Maglula
$35.95Maglula .22LR - .380 ACP Pistol Magazine Loader The BabyUpLULA is a high-quality pistol magazine loader and unloader designed for loading virtually all* single-stack and narrow-body .22 LR to .380 ACP (9mm Short/Kurz)mags which have normal/...HKP-15637$35.95 -
PTR AR Stock Adapter & Buffer Tube For HK - Commercial
PTR
$124.95PTR AR Stock Adapter & Buffer Tube For HK - Commercial With this adapter, you can use your existing metal backplate, standard G3 buffer, and your choice of stock to add an AR15 stock to your HK firearm. This part is a perfect compliment for those who...HKP-14339$124.95 -
PTR HK 91/G3 (7.62x51/.308) M4 Stock Complete
PTR
$234.95PTR HK 91/G3 (7.62x51/.308) M4 Stock Complete AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use an AR M4 style stock on your HK rifle or SBR. Each stock set...HKP-16142$234.95 -
RCM HK G3, HK 91, PTR Trunnion
RCM
$64.95RCM Trunnion For The HK91/G3 Series - US Made This part is machined from ordnance grade 9310 enhanced steel and heat treated to exact HK specifications. This item is the best USA-made trunnion on the market. Machined to spec and are to the custom ground...HKP-01289$64.95 -
RCM HK Mark 23 .45 ACP Flush Fit Barrel - Non-Threaded
RCM
$249.95RCM HK Mark 23 .45 ACP Flush Fit Barrel - Non-Threaded This custom-made barrel is expertly crafted from ordnance-grade steel, heat-treated, and finished with a highly desirable nitride coating. Designed specifically for the HK Mark 23 .45 pistol, it...HKP-17622$249.95 -
SB Tactical HK MP5K, HK SP89, HK SP5K Side Folding Brace w/ HK Parts Adapter
SB Tactical
$229.95Side Folding Pistol Stabilizing Brace with HK Parts Adapter - HK MP5K, SP89, SP5K & Clones Side Folding Pistol Stabilizing Brace with HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum...HKP-19451$229.95 -
SB Tactical MP5 & SP5 Folding Brace - Skeletonized
SB Tactical
$149.95SB Tactical MP5 & SP5 Folding Brace - Skeletonized Features: Each brace comes assembled ready to install no assembly required Made in the USA B&T inspired design & styling QD Sling Attachment Fully adjustable nylon stabilizing strap Machined...HKP-21397$149.95 -
Surefire X300 Ultra LED Tactical Light
Surefire
$341.95Surefire X300 Ultra - LED Tactical Light Specifications: High-efficiency LED that generates 1000 lumens of brilliant white light Good reach and significant surround light for peripheral vision No filament to burn out or break with LED lights Generates...HKP-13486$341.95 -
Out Of Stock
Tommy Built G36 AR/Stanag Magwell - Black
Tommy Built
$249.95Tommy Built G36 AR/Stanag Magwell - Black Stanag/AR Magwell for the G36/SL8 Platform. This replacement magwell allows the use of standard AR15 Style Magazines. This is a direct magwell swap and should not require any modification or special tools. These...HKP-19171$249.95 -
Sale
3 X 25-Round FN PM-63 Rak Magazines & Magazine Pouch
Other
Now: $49.95Was: $99.953 X 25 Round FB PM-63 Rak Magazines & Magazine Pouch Compatible With: FN PM-63 RakHKP-20192Now: $49.95Was: $99.95 -
B&T BT APC9, BT APC45 Telescoping Brace Adapter - Black
B&T Brugger & Thomet
$649.95B&T BT APC9, BT APC45 Telescoping Brace Adapter The B&T telescopic brace adapter is an essential accessory to attach your favorite brace to your B&T firearm. Features: Complete adapter solution- no extra parts to buy except the brace...HKP-18989$649.95 -
Comp-Tac HK 45 Twin Mag Pouch - Black
Comp-Tac
$59.95Comp-Tac HK 45 Twin Mag Pouch - Black The Comp-Tac Twin Magazine Belt pouch is an outside the waistband holder that carries two magazines attached together. Designed to be worn at 9:00 for a right handed shooter this is an excellent way to carry more...HKP-17501$59.95 -
Comp-Tac HK VP9 Optics Ready CT3 Level 3 Holster - Right Hand
Comp-Tac
$169.95Comp-Tac HK VP9 Optics Ready CT3 Level 3 Holster - Right Hand The CT3 is a level 3 holster that uses friction, an ejection port lock, and a hood that must be released before the firearm can be drawn. The CT3 is designed with the intent that a master grip...HKP-20178$169.95 -
G36E Bayonet Lug Assembly HK German
H&K Heckler & Koch
$89.95HK German Factory G36E Bayonet Lug Rare and hard to find. The inside diameter (ID) is 16mm in size. A great alternative for those that do SL8 conversions as well as M27 look clone barrel conversions. You will need the G36 bayonet lug roll pin as it...HKP-00354$89.95 -
H&K 91/G3 (7.62x51/.308) - 15 Round Magazine
H&K Heckler & Koch
$59.95HK G3 & HK 91, PTR91 - 15 Round Magazine The HK G3, 91 ,PTR magazine is made by PTR from a German aluminum HK magazine and converted to 15 rounds. Perfect for states such as NJ that only allow a 15 round mag capacity. As an added bonus this magazine...HKP-17006$59.95 -
H&K 91/G3 (7.62x51/.308) F/A Bolt Carrier - Tungsten Filled - Surplus
H&K Heckler & Koch
$249.95HK Factory F/A Tungsten Filled Bolt Carrier Used German Surplus The tungsten upgrade is ideal for those with bolt bounce issues or who want the smoothest carrier for FA use. These carriers are all used and in good shape and need to be...HKP-01998$249.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Aluminum
H&K Heckler & Koch
$69.9510-Round 308 Magazine For HK Rifles - Alloy Aluminum Each HK magazine is made by using a factory German HK 20-round mag, that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20-round magazines are too long and...HKP-00351$69.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch - Flectarn
H&K Heckler & Koch
$49.952x20 Round Aluminum Mags W/ New Cloth Mag Pouch - Flectarn Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 clones Other custom HK91/G3 style builds or custom clonesHKP-14550$49.95 -
H&K 93/53/33 (5.56/.223) Firing Pin Spring
H&K Heckler & Koch
$9.95New HK German 93, 33, & 53 .223/5.56 Firing Pin Spring. A must-have spare part as this is a high wear and replacement item. Compatible With: HK93 HK33 HK53 V93/V53, C93, C53 Custom builds and clonesHKP-00193$9.95 -
H&K G3 Operators Manual
HKP HK Parts
$21.95HK G3, 91, PTR Operators Manual The G3 Operators Manual is for the Full Auto version of the HK91. Page-by-page translation of the original German Army instruction manual for the G3 family of firearms. With 120 pages and six full-color illustrations...HKP-15211$21.95 -
H&K Grip Screw
H&K Heckler & Koch
$8.95H&K Grip Screw It is a new HK German part that is now out of production. Great to have as a spare. Compatible With: HK91 HK93 HK94 SP89HKP-01725$8.95 -
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Battleship Gray
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - Battleship Gray Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are...HKP-19979$99.95 -
$8.95