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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H&K MSG90 (7.62x51/.308) +2 Rollers 8.02mm Set -Titanium
H&K Heckler & Koch
$284.95MSG90 (7.62x51/.308) +2 Rollers 8.02mm Set -Titanium Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers increase the...HKP-02453$284.95 -
H&K MSG90 (7.62x51/.308) +4 Rollers 8.04mm Set -Titanium
H&K Heckler & Koch
$329.95MSG90 (7.62x51/.308) +4 Rollers 8.04mm Set -Titanium Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers...HKP-02454$329.95 -
H&K MSG90 (7.62x51/.308) -2 Rollers 7.98mm Set -Titanium
H&K Heckler & Koch
$284.95HK German MSG-90 Titanium -2 or 7.98mm Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers increase the bolt gap...HKP-01063$284.95 -
H&K MSG90 (7.62x51/.308) -4 Rollers 7.96mm Set -Titanium
H&K Heckler & Koch
$329.95MSG90 (7.62x51/.308) -4 Rollers 7.96mm Set -Titanium Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers...HKP-02451$329.95 -
Out Of Stock
H&K MSG90 (7.62x51/.308) Bolt Head Complete
H&K Heckler & Koch
$0.00New HK German MSG-90 Bolt Head Complete. Rare and hard to find.HKP-00527$0.00 -
Out Of Stock
H&K MSG90 (7.62x51/.308) MSG90 Sniper Trigger Group Complete
H&K Heckler & Koch
$0.00MSG90 Sniper Trigger Group Complete The complete sniper trigger group is a rare find, featuring the authentic push pin style straight from HK Germany. We also offer a clipped and pinned version to fit semi-auto rifles. This unit is a genuine push pin...HKP-00223$0.00 -
H&K MSG90 (7.62x51/.308) Rollers 8.00mm Set - Titanium
H&K Heckler & Koch
$284.95HK German MSG-90 Titanium 8.00mm Set (one of two rollers) Half Moon Rollers Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order -...HKP-00227$284.95 -
Out Of Stock
H&K MSG90 (7.62x51/.308) Trigger Group Complete Clipped & Pinned Ready To Install
H&K Heckler & Koch
$0.00HMSG90 Trigger Group Complete Clipped & Pinned Ready To Install A perfect addition to your HK G3/91 & PTR 7.62x51/.308 rifles, this is the best 3lb factory trigger money can buy. It offers the best factory trigger pull available for your HK rifle...HKP-00224$0.00 -
Out Of Stock
H&K Navy Left Side Selector Lever-3 Position
H&K Heckler & Koch
$139.95HK Ambidextrous Left Side 3 Position Navy Selector Lever New German HK Lever For All 3 Position Navy Ambidextrous Trigger Packs Or Trigger Groups. Will Not Fit SEF Style Trigger Packs. Brand new factory German HK. Safe, Semi, Full. (0,1,F) 3 Position...HKP-00122$139.95 -
Out Of Stock
H&K PSG1 (7.62x51/.308) Trigger Pack Assembly - German
H&K Heckler & Koch
$0.00H&K PSG1 (7.62x51/.308) Trigger Pack Assembly Experience the precision of the factory Heckler and Koch PSG1 trigger pack assembly. This genuine HK PSG-1 trigger pack features a remarkable 3lb pull weight, offering the finest trigger performance for...HKP-00907$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) 23T - 40 degree Locking Piece
H&K Heckler & Koch
$0.00HK German 23T 40 degree Locking Piece HK German PSG-1 23T Locking Piece. This is 40 Degree. This is similar to the 30T locking piece only this has a 40 degree locking shoulder difference.HKP-00332$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) 30T - 45 degree Locking Piece
H&K Heckler & Koch
$0.00H&K PSG1/MSG90 (7.62x51/.308) 30T - 45 degree Locking Piece HK German PSG-1/MSG90 30T Locking Piece. This is 45 Degree & Made of Titanium For the PSG or MSG Rifles. This is similar to the 23T locking piece only this has a 5 degree locking...HKP-00536$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Ambidextrous Selector Lever Set
H&K Heckler & Koch
$0.00MSG90 Ambidextrous Selector Lever Set New HK German 0,1, MSG90 Trigger Pack Selector Lever Set. This set can only be used with a PSG1/MSG90 trigger pack on that factory 0,1 MSG90 polymer housing. Rare and hard to find. Each set includes the left &...HKP-00225$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Bipod
H&K Heckler & Koch
$0.00New HK German MSG90 PSG1 Bipod Complete Will Attach To The HK PSG1 Or MSG90 Forearm. New HK German. PSG1 MSG90HKP-00530$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Bolt Carrier
H&K Heckler & Koch
$0.00HK German MSG90/PSG1 Bolt Carrier. Rare and hard to find. Now restricted by HK and will only become harder to find.HKP-00538$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Bolt Carrier Group Complete
H&K Heckler & Koch
$0.00New HK German PSG1, MSG90 Bolt Carrier Group Complete, A rare find and hard to find. Each bolt comes with the newest production HK German parts: PSG1/MSG90 Bolt carrier with forward assist grooves, Tungsten. Complete PSG1/MSG90 Bolt head 30T PSG1/MSg90...HKP-00533$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Bolt Head Complete
H&K Heckler & Koch
$0.00HK German PSG1, MSG90 Bolt Head Complete. New factory German HK.HKP-00534$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Complete Factory Locking Roller Set - (12 rollers)
H&K Heckler & Koch
$0.00HK PSG1 Factory Locking Roller Set Complete RARE! (Every Size) That HK Made For The MSG90 / HKPSG1/ & HK23E AS Follows - 6, - 4, - 2, Standard 8mm, +2, +4 (Pair Of Each Size) PSG1 / 23E Half Moon Roller Set Complete (Total Of 12 Rollers) More...HKP-00822$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Selector Lever
H&K Heckler & Koch
$0.00HK German PSG1 Selector Lever This is a must-have item to use on the PSG1/MSG90 trigger packs. This only fits metal grip frames. Compatible With: PSG1/MSG90 trigger packsHKP-00961$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Sling
H&K Heckler & Koch
$0.00New HK German PSG-1 & MSG90 Factory Black Sling With Forearm Attachment Each comes with the factory-correct mounting hardware attachment for the PSG1/MSG-90 forearm. This item is no longer available, so there is a limited supply.HKP-01131$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Sling Attachment
H&K Heckler & Koch
$0.00H&K PSG1 & MSG90 (7.62x51/.308) Sling Attachment Sling attachment that connects to the front of a forearm. The sling loop attachment slides into the bipod adapter slot. Compatible With: PSG-1 MSG-90HKP-01429$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Trigger Shoe Complete
H&K Heckler & Koch
$0.00HK German Factory PSG-1, MSG90 Trigger Shoe Complete HK PSG1 Trigger Show Complete With Hardware Installed As Shown. Will fit factory HK PSG1 & MSG90 Triggers. German HK production. Please note: Does NOT fit a standard HK 90 series trigger without...HKP-00532$0.00 -
Out Of Stock
H&K PSG1/MSG90/G3/91 (7.62x51/.308) Stock
H&K Heckler & Koch
$0.00New HK German MSG-90 Rear Stock Complete These MSG90 stocks have the PSG1 single stage buffer installed & are fully adjustable. A genuine Heckler & Koch OEM product. The cheek piece and butt pad are adjustable on the fly. This stock is 2...HKP-00540$0.00 -
Out Of Stock
H&K Roller Sear For Burst Trigger Packs
H&K Heckler & Koch
$0.00New HK German Roller Sear for SEF & Navy trigger packs. This is the newer style "roller" type not the older friction type of sear. This item is also referred to as the catch with roller but more commonly called a sear.HKP-01711$0.00 -
Out Of Stock
H&K SEF Grip Frame Clipped & Pinned With Finger Grooves
H&K Heckler & Koch
$0.00New latest HK German manufactured SEF polymer grip frame. Each unit has been professionally clipped and pinned and set up for the welded on semi auto shelf style of firearm commonly found on the semi auto or sear ready versions of the HK MP5, 94 style...HKP-00165$0.00 -
Out Of Stock
H&K SEF Selector Lock Out Safety Key
H&K Heckler & Koch
$0.00H&K SEF Selector Lock Out Safety Key You must have a special lever to use this tool. Compatible with all SEF lockout selectors.HKP-01482$0.00 -
Out Of Stock
H&K SL8 Original Sight Rail - Used
H&K Heckler & Koch
$0.00Heckler and Koch Genuine German Factory Parts - SL8 Original Sight Rail with Removable and Adjustable Front and Rear Sights.Does not include the mounting hardware! Used take off's.HKP-00964$0.00 -
Out Of Stock
H&K SP5 9mm 4 Position (0,1,3,F Pictogram) Navy Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K SP5 9mm 4 Position (0,1,3,F Pictogram) Navy Style Trigger Housing - Clipped & Pinned The navy style trigger housing is the perfect addition to your HK SP5 9mm firearm. Designed for easy drop in installation, this housing allows you to...HKP-19231$0.00 -
Out Of Stock
H&K SP5/MP5 9mm SEF Universal Contoured Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K SP5/MP5 9mm SEF Universal Contoured Trigger Housing - Clipped & Pinned This SEF contoured trigger housing is designed for universal compatibility with both HK SP5 and MP5 semi-auto shelf styles. Featuring contoured finger grooves for...HKP-19271$0.00 -
Out Of Stock
H&K SP5K 9mm SEF Contoured Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K SP5K 9mm SEF Contoured Trigger Housing - Clipped & Pinned Designed specifically for the HK SP5K, this SEF style trigger housing features contoured finger grooves and is clipped and pinned for a perfect fit. Please ensure you are using an SEF...HKP-17944$0.00 -
Out Of Stock
H&K SP5K Spec Only 9mm 3 Position (0,1,F Pictogram) Ambidextrous Navy Style Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K SP5K Spec Only 9mm 3 Position (0,1,F Pictogram) Ambidextrous Navy Style Housing - Clipped & Pinned This HK German Navy housing is specifically designed for the HK SP5K. Featuring ambidextrous functionality and pictogram markings, this housing...HKP-17924$0.00 -
H&K UMP (.40 S&W) Conversion Kit - Used
H&K Heckler & Koch
$1,087.95HK UMP .40 Caliber Conversion Kit This UMP conversion kit provides the necessary components to convert .45 sub-guns to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub-guns. This is a simple, drop-in conversion requiring a...HKP-00729$1,087.95 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) 4 Position Burst Lower (0,1,2,Full)
H&K Heckler & Koch
$0.00New HK German 4 Position (0,1,2,Full) Burst LowerFits All HK UMP's. This item can be adapted for use on the USC-UMP Conversion if the F/A internals are removed & the USC (semi-auto) internals are installed. This item is a very popular item for the...HKP-00593$0.00 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Demilled Rear Receiver Section
H&K Heckler & Koch
$0.00HK UMP Demilled Receiver Section This is a demilled factory HK UMP rear receiver section that is perfect for the new Tom Bostic USC-UMP conversions. This section is the perfect length in order to do the USC/UMP conversion. Last one available.HKP-01659$0.00 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Folding Stock - Used
H&K Heckler & Koch
$0.00HK UMP Folding ButtstockUsed taken from German HK police department guns, German Heckler & Koch folding stock. This is a required part for the USC-UMP Conversion (stock block B). All UMP folding stocks come with HK date code.HKP-02222$0.00 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1)
H&K Heckler & Koch
$0.00UMP Pistol Grip Stripped & Incomplete - 2 Position (0,1) Pictogram New HK German manufacture, rare and hard to find. If you have an HK USC you can use this housing with the USC lower internals for a complete USC to UMP lower assembly that you can use...HKP-17815$0.00 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1,2,F)
H&K Heckler & Koch
$0.00Stripped UMP Pistol Grip - 4 Position (0,1,2,D) PictogramHKP-17817$0.00 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1,F)
H&K Heckler & Koch
$0.00UMP Pistol Grip Stripped & Incomplete - 3 Position (0,1,F) Pictogram New German HK UMP 3 position lower.HKP-17816$0.00 -
Out Of Stock
H&K UMP (.45 ACP) Barrel - Used
H&K Heckler & Koch
$0.00HK UMP 45 ACP 8 Inch Barrel - German German HK Cold Hammer Forged Barrel- UsedUsed PD trade in authentic German HK UMP .45 barrel. Polygonal and cold hammer forged. A rare part as the barrel is not a part that can be bought from HK separately. The only...HKP-14955$0.00 -
Out Of Stock
H&K UMP (.45 ACP) Bolt Group - Used
H&K Heckler & Koch
$0.00German HK UMP .45 Factory Full Auto Bolt Group Complete Used.Used German bolt carrier complete that is tungsten filled and the factory correct HK UMP .45 cal bolt group. Comes less the recoil assembly.HKP-01231$0.00