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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RCM HK 23E (5.56/.223) Locking Piece #20 - 70 Degree
RCM
$49.95New US-Made #20 Locking Piece - 70 Degree For HK23E New US-manufactured RCM # 20 70-degree locking piece for HK23E and other custom builds. Made from the finest ordnance grade steel and heat treated to perfection. A perfect spare for your...HKP-02525$49.95 -
Out Of Stock
RCM HK VP40 .40 S&W Tactical Barrel - Threaded 9/16x24
RCM
$239.95RCM HK VP40 .40 S&W Tactical Barrel - Threaded 9/16x24 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded barrel for the HK VP40 .40 S&W pistol,...HKP-17370$239.95 -
Out Of Stock
RCM HK VP9SK 9mm Tactical Barrel - Threaded 13.5x1 LH
RCM
$239.95RCM HK VP9SK 9mm Tactical Barrel - Threaded 13.5x1 LH Each VPSK Tactical barrel is machined from ordnance grade steel, heat treated then nitrided inside and out. This is the finest threaded replacement barrel for the HK VP9SK 9mm pistol, ideal as...HKP-19262$239.95 -
RCM HK33K .300 BLK K Length Barrel - Threaded 5/8x24
RCM
$234.95RCM HK33K .300 BLK K Length Barrel - Threaded 5/8x24 Each barrel is designed for use with popular AAC-Style quick detach muzzle brakes and suppressors featuring a 5/8x24 thread pitch. It is also suitable for most .300 BLK suppressors and applications...HKP-16952$234.95 -
RCM HK53 .300 BLK Barrel - Threaded 5/8x24
RCM
$239.95RCM HK53 .300 BLK Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and suppressors with the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK suppressor...HKP-13907$239.95 -
Out Of Stock
RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28
RCM
$249.95RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28 Each barrel is meticulously crafted from premium cold hammer forged (CHF) 41V45 steel, expertly profiled and chambered with a 16-flute chamber profile. Finished with a highly durable nitrided coating for...HKP-17761$249.95 -
RCM MP5 40/10 Complete Bolt Head
RCM
$211.95HK MP5 40/10 Bolt Head Complete - RCM- US Each bolt head incorporates the same enhanced material as all of the new RCM products. Ideal to replace out of spec, worn or broken bolt heads or for that custom build. Each bolt head will work and fit on...HKP-02664$211.95 -
RCM MP5 40/10 Full Auto Bolt Carrier
RCM
$157.95MP5 40, 10mm - Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and are Tungsten filled and heat treated providing the finest American made carrier available. Compatible With: MP5 40 MP5...HKP-01192$157.95 -
RCM MP5K 40/10 Full Auto Bolt Carrier
RCM
$157.95MP5K 40/10 Full Auto Bolt Carrier - Latest Upgraded Version This part is built from billet ordnance steel. This US-made MP5K 40,10 style carrier is made with Tungsten and is heat-treated, providing the finest American-made carrier...HKP-01826$157.95 -
SB Tactical HK MP5K Pistol Stabilizing Brace SBA4 - OD Green
SB Tactical
$349.95SB Tactical HK MP5K Pistol Stabilizing Brace SBA4 - OD Green MP5K, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for your...HKP-20354$349.95 -
Single Sided Picatinny Rail - HK G36 - HKP
$69.95Single Sided Picatinny Rail - HK G36 - HKP HK Lateral Picatinny rail single-sided for sight rails. Compatible With: G36 G36K G36C Specifications: Material: AluminumHKP-18429$69.95 -
Strike Industries HK 416 - 9" Full Duty Handguard
Strike Industries
$318.95Strike Industries HK 416 - 9" Handguard - Gridlok Full Duty The Strike Industries GRIDLOK® Rail for 416 gives you a primary, a secondary or multiple setup options as a quick and direct handguard swap. The GRIDLOK® Rail for 416 has the SI patent...HKP-21312$318.95 -
Strike Industries HK 416 - 9" Light Speed Handguard
Strike Industries
$318.95Strike Industries HK 416 - 9" Handguard - Gridlok - Light Speed The Strike Industries GRIDLOK® Rail for 416 gives you a primary, a secondary or multiple setup options as a quick and direct handguard swap. The GRIDLOK® Rail for 416 has the SI...HKP-21313$318.95 -
Strike Industries HK MP5 Stock with Cheek Riser
Strike Industries / HKP
$349.95Strike Industries HK MP5 Stock with Cheek Riser The Strike FSA folder paired with our MP5 picatinny adapter is one of the best options on the market for weight reduction and compact profile. The adjustable cheeck riser allows the user to dial in the...HKP-21497-M$349.95 -
Out Of Stock
TBR HK MP5 Top Mount Brass Catcher for MFI Rails - Black
TBR Tactical Brass Recovery
$219.95TBR HK MP5 Top Mount Brass Catcher for MFI Rails - Black MP5 model for MFI rail equipped guns.HKP-19147$219.95 -
Out Of Stock
TBR HK MP5 Top Mount Brass Catcher for MFI Rails - FDE
TBR Tactical Brass Recovery
$219.95TBR HK MP5 Top Mount Brass Catcher for MFI Rails - FDE MP5 model for MFI rail equipped guns.HKP-19148$219.95 -
Timney Triggers HK MP5 .40/10mm 2-Stage Trigger
Timney Triggers
$449.95Timney Trigger for MP5 .40/10 The Timney HK MP5 .40 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy. This offering comes complete with a Factory...HKP-20510$449.95 -
Out Of Stock
Tommy Built HK G36 AR Fire Control Lower - Black
Tommy Built
$245.95AR Fire Control Lower - G36 AR fire control G36 lower. You will need most of the standard AR fire controls including the selector's grip, detents, springs & the bolt hold open components etc. The selector spring and detent will not line up with AR...HKP-19121$245.95 -
Out Of Stock
Tommy Built HK G36 AR Fire Control Lower Binary - Black
Tommy Built
$199.95AR Fire Control Lower Binary - G36 G36 lower that will accept AR fire control components and grips, this model has the third position marked for using the Franklin Binary trigger set. The hammier will need to have little material removed off of the top...HKP-19144$199.95 -
Tommy Built HK G36, HK SL8 Carry Handle Top Rail - FDE
Tommy Built
$319.95Tommy Built HK G36, HK SL8 Carry Handle Top Rail - FDE G36 carry handle style top rail with rear Picatinny optics mount. This is designed to have the styling of the Iconic G36 carry handle optic rail with the flexibility of a simple pic rail so you can...HKP-19379$319.95 -
Out Of Stock
Tomomy Built SL8 to ACR Stock and AR Grip Adapter
Tommy Built
$289.99Tomomy Built SL8 to ACR Stock and AR Grip Adapter SL8 to ACR stock and lower conversion, This set up adapts the folding and telescopic ACR stock to the SL8 rifle. just swap in your fire controls and replace the stock It counts as three of the required 5...HKP-20024$289.99 -
Sale
TPM - Acorn Bolt Knob - TitaniumÂ
Tactical Precision MFG
Now: $34.95Was: $48.99Acorn Bolt Knob The Acorn Bolt knob is the perfect addition for those that want to dress up their rifle. It has a good grip, and they stand out in the crowd. Features: Dimensions: 1.5" x 7/8" x 7/8 Weight: 2 oz. Material: Titanium Threading: 5/16x24...HKP-20761Now: $34.95Was: $48.99 -
Sale
TPM - Aluminum Drake Bolt Knob - Black
Tactical Precision MFG
Now: $29.95Was: $39.99Drake Bolt Knob - Aluminum These bolt knobs are made from aluminum and are finished a in midnight bronze Cerakote and will fit any 5/16-24 threaded bolt handle. Features: Material: aluminum Color: black Threading: 5/16x24 Compatible...HKP-20773Now: $29.95Was: $39.99 -
Sale
TPM - Aluminum Rifle Shroud - Black
Tactical Precision MFG
Now: $39.95Was: $89.99TPM - Aluminum Rifle Shroud - Black Replacement bolt shroud for Ruger Precision rifles made from machined aluminum and colored in black Cerakote.HKP-20775Now: $39.95Was: $89.99 -
Sale
TPM - Drake Bolt Knob - Titanium
Tactical Precision MFG
Now: $34.95Was: $44.99Drake Bolt Knob - Aluminum These bolt knobs are made from aluminum and are finished a in midnight bronze Cerakote and will fit any 5/16-24 threaded bolt handle. Features: Material: aluminum Color: titanium Threading: 5/16-24 Compatible...HKP-20782Now: $34.95Was: $44.99 -
Sale
TPM - Flash Hider .22 Cal - Titanium
Tactical Precision MFG
Now: $64.95Was: $88.99TPM - Flash Hider .22 Cal - Titanium This titanium tri-port muzzle brake reduces recoil, muzzle rise and hides the flash. Dust does not kick up due to three offset front ports. Full automatic capable. Less than 1" of rise with a 30 round 5.56 mag...HKP-20778Now: $64.95Was: $88.99 -
Sale
TPM - Fluted Bolt Knob - Black
Tactical Precision MFG
Now: $24.95Was: $48.99TPM - Fluted Bolt Knob - Black These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Features: Dimensions:1.5" x 7/8" x 7/8" Weight: 2 oz Threading: 5/16x24HKP-20786Now: $24.95Was: $48.99 -
Sale
TPM - Remington 700 - 20 MOA - Scope Base Long Action - Tungsten
Tactical Precision MFG
Now: $57.75Was: $76.99TPM Remington 700 Scope Base Long Action 20 MOA These tight tolerance, bomb proof scope rail allows the shooter to make the best use of the scope's elevation adjustment for those long-range shots and engagements with 20 MOA options and will match factory...HKP-20781Now: $57.75Was: $76.99 -
Sale
TPM - Remington 700 - 30 MOA - Scope Base Long Action
Tactical Precision MFG
Now: $57.75Was: $76.99TPM Remington 700 Scope Base Long Action 30 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and engagements with 30 MOA options and will match factory...HKP-20760Now: $57.75Was: $76.99 -
Sale
TPM - Remington 700 - 30 MOA - Scope Base Long Action -Tungsten
Tactical Precision MFG
Now: $57.75Was: $76.99TPM Remington 700 Scope Base Long Action 30 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and engagements with 30 MOA options and will match factory...HKP-20772Now: $57.75Was: $76.99 -
Sale
TPM - Remington 700 - 30 MOA - Scope Base Short Action
Tactical Precision MFG
Now: $57.75Was: $76.99TPM Remington 700 Scope Base Long Action 30 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and engagements with 30 MOA options and will match factory...HKP-20765Now: $57.75Was: $76.99 -
Sale
TPM - Titanium 3 Port Muzzle Brake .30 Cal - Black
Tactical Precision MFG
Now: $64.95Was: $84.99TPM - Titanium 3 Port Muzzle Brake .30 Cal - Black This radially ported muzzle brake is for Ruger American and many other lightweight mountain rifles. Features: Weight:0.67 oz Material: Grade 5 titanium Color: Black Threading: 5/8x24HKP-20777Now: $64.95Was: $84.99 -
Sale
TPM 3 Port .30 Cal Muzzle Brake with Crush Washer
Tactical Precision MFG
Now: $59.95Was: $72.99TPM 3 Port .30 Cal Muzzle Brake with Crush Washer This 3 port muzzle brake is made for any 5/8x24 application and comes with a crush washer. Specifications: Dimensions: 2″ x 0.75″ x 0.75″ Weight: 0.67 oz Threading: 5/8x24HKP-20900Now: $59.95Was: $72.99 -
Sale
TPM 6.5mm Titanium Full Port Muzzle Brake - Threaded 5/8x24
Tactical Precision MFG
Now: $64.95Was: $84.99TPM 6.5mm Titanium Full Port Muzzle Brake - Threaded 5/8x24 This lightweight titanium muzzle brake is designed by a master gunsmith and is one of the best on the market. The spiral port outlets along with the parabolic internal taper significantly...HKP-20768Now: $64.95Was: $84.99 -
Sale
TPM Acorn Bolt Knob – Black
Tactical Precision MFG
Now: $29.95Was: $37.99TPM Acorn Bolt Knob – Black These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions:1.5″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16x24HKP-20902Now: $29.95Was: $37.99 -
Sale
TPM Acorn Bolt Knob – Bronze
Tactical Precision MFG
Now: $28.50Was: $37.99TPM Acorn Bolt Knob – Bronze These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions:1.5″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16x24HKP-20904Now: $28.50Was: $37.99 -
Sale
TPM Sig P320C +3 Magazine Extension
Tactical Precision MFG
Now: $24.95Was: $44.95TPM Sig P320C +3 Magazine Extension - Barrett Brown This extension is made from machined 6061 Aluminum. This magazine extension will increase capacity, increase reload speed and mag drops, and overall functionality of your pistol. Easy to install and...HKP-21277Now: $24.95Was: $44.95 -
Sale
UM Tactical UMH3 Belt Loop LH Holster - Black
UM Tactical
Now: $38.95Was: $69.95UM Tactical UMH3 Belt Loop LH Holster - Black: Left-handed, belt-loop holster for pistols equipped with the UM Tactical UM3 sight mount. Unlike conventional holsters, UM Tactical's UMH3 Universal Holster attaches to the UM3 sight mount to...HKP-17506Now: $38.95Was: $69.95 -
Sale
UM Tactical UMH3 Tek-Lok RH Holster - Black
UM Tactical
Now: $38.95Was: $69.95UM Tactical UMH3 Tek-Lok Holster - Black Right-handed, Tek-Lok holster for pistols equipped with the UM Tactical UM3 sight mount. Unlike conventional holsters, UM Tactical's UMH3 Universal Holster attaches to the UM3 sight mount to retain...HKP-17018Now: $38.95Was: $69.95 -
Sale
Victory Operational Works HK VP9 Crusader Holster - Right Hand - Multicam Black
Victory Operational Works
Now: $124.95Was: $159.95Victory Operational Works HK VP9 Crusader Holster - Right Hand - Multicam Black The Crusader MAX fabric series holster is a modular multi-mission capable holster platform offering three carry options, IWB, OWB & Appendix, including the hardware...HKP-20304Now: $124.95Was: $159.95