HK Parts | HK21 HK21E HK23E

HK 21 / 21E / 23E / 11 & 13 Variants & Clones

Custom Extended HK21 Hammer Spring Used To Custom Fit To Your 21 For Extra Hard Primers Or Light Primer Strikes (Right) Standard Hammer Spring Shown On Left. $15

HK Semi/Sear Pack Elbow Spring W/ Roller $19

HK "Retimed" Hammer Needed For All HK Registered Sear Conversions. Protect Your Valuable Investment By Using The Proper Retimed Hammer For Your Sear Pack. These Will Fit All SEF/Navy Non-Burst Trigger Packs. The Picture Above Shows The "Retimed" Hammer On The Left Side Installed. A Non-Timed Hammer On The Right (Notice How High The Hammer Sits) The Sear Pack On The Right Is Not Timed Properly While The Pack On The Left Is In The Correct Nearly Flat/Horizontal Rearward Position. $95

HK Chamber Face Cleaning Brush $30

HK German .308 Chamber Flute Brush (For Cleaning HK Fluted Chambers). A Must Have To Keep Your Chamber Flutes Working & Clear Of Carbon. $25

HK21/HK21E # 17 Locking Piece (37 Degree) Slow Down & Tame Your HK21 $79

HK21/HK21E # 9 Locking Piece $120

HK German HK21E 30T Locking Piece $165

HK Double Tang SEF (Navy Style) Polymer Grip Housing Great For Your HK21 Conversion (Not Clipped For Semi Shelf). Most HK Gunsmiths Prefer To Do The Clip & Pin Work To Fit Your HK21 $75

****We Do Offer A Custom Clip And Fitting Of This Or Any Other HK Polymer Housing To Your HK Rifle (even HK21). See The "Services" Section Listed On The Left Side Of This Webpage.

HK SEF Longer Axle Selector Lever (Needed For Any Of The Polymer SEF Type/Style Grip Housings) $40

HK SEF Shorter Axle Selector Lever (Will Work With TheMetal Trigger Housings Only ) $10

HK 21E / 23E Factory Operators Manual $20

HK 21 & HK21E Maintenance & Repair Manual $65

HK Burst Trigger Group Armorer's Manual $25

HK German 91/G3 Rubberized Cocking Handle (Newest Style) Date Coded & Does Not Break Or Wear Like The Plastic Handles $25

HK Rubberized HK21 Extended Style Cocking Handle. These Will Fit Any HK91/G3 or PTR Style Rifle. These Do Not Break Like The HK Plastic Cocking Handles. Also Count As 1 US Made Part $45

HK German Push Pin for Forearm (Small) HK German Push Pin ForButtstock (Large) $5 each

HK Ambidextrous Sling Pin Small (Forearm) Large Sling Pin (Replaces Stock Push Pin) $45 Each

HK German 3rd Generation 1200 Meter Rear Sight $295

HK German 4th Generation 1200 Meter Rear Sight $395

HK 21/23E Latest Production Bipod (Will Also Fit Older HK21's) $445

HK 21 Bipod New Production HK German $295

HK21 Factory HK Tripod Adapter $25

HK21 Factory Magazine Adapter Slides In Where The Feed Mechanism Would Be And Allows Use Of Any G3/91 Magazine. This Is The Best Variation Of The Magazine Adapter Ever Made & RARE! With The 100 Round Beta Mag & The AA 50 Round HK91/G3 Drums Due To Be Released These Are A Must For Every HK21 Owner $395.

HK21 Feed Mechanism Spring & Clip Rebuild Kit (Great To Have As A Spare For your HK21 Feed Mechanism) These Parts Are No Longer In Production & Hard To Find. $100

HK Feed Mechanism Retainer / Release Arm Great For Spares As These Do Break And Nearly Impossible To get Replacements For $30

HK21 HK Contract FMP Bolt Carrier NEW $495

HK21 / 21E / 23E U.S. Made "T" Rails. The Best Reinforcement Rails Made Anywhere. The Finest Quality Supporting Rails Available $175 (Per Pair)

HK Factory Receiver Reinforcement "L" Rails Left & Right Side $75 (Per Pair)

U.S. Made Picatinney HK21 Style Scope Mounting Tabs. Perfect For Those That Prefer A Permanent Picatinney Based Mounting Platform For Optics. $50 (Per Pair)

U.S. Manufactured HK21E Shroud With All Needed Weldments (True Factory HK Some Attached & Some Need To Be Installed). This Is Manufactured Sparing No Detail And Is The Only U.S. Made HK21E Type Shroud Available. Complete Shroud With Complete Set Of All Weldments $1495

HK21E U.S. Made Shroud Only (No Weldments Included) $1195

HK German HK21 50 Round Ammo Belt With Starter Tab Set Up And Ready To Load. $25

HK German HK21 50 Round Ammo Belt Without Starter Tab. These Are Linked To The Belts Listed Above To Give You Added Belt Lengths Of 100,150, 200, Etc. $20 Each

HK Factory 21 Triple Wound Recoil Spring Needed For HK21 Builds & Great For Spares. $40

HK 21E / 23E Recoil Rod Assemblies Complete $99

HK German Heavy Rubber Buttpad $60

HK Dark Evergreen Plastic Buttpad $25

HK Factory German Central Buttstock Section HK Black $50

HK Factory German Central Buttstock Section Green $50

HK Black Plastic Grip (Great For Replacement) $25

HK 21 Front Vertical Battle Grip Complete $75

HK German HK21E / 23E Backplate Assembly $79

HK21E / 23E Heavy Buffer $225

HK German HK21/23E Rear Stock Complete $395

HK German Factory HK21E / 23E Barrel Handle $65

U.S Made HK21E Barrel Handle. Will Fit All HK21 & 21E / 23E Barrels. These Are Better Than The Factory HK Handles Listed Above $40

HK21 NEW Factory UNFIRED Hammer Forged/Chromed Lined HK FMP Barrels With The New & Improved HK21E Handle & Hardware Installed & Ready To Go. Imported HK Barrels Are Banned From Importation & These Will Continue To Become Hard To Come By $750

HK21 / 21E / 23E U.S. Made Trunion $550

HK21E/23 E Forward Assist Assembly $165

HK German HK21/23E Or HK21 Carry Handles Comes W/ All Mounting Hardware Shown Below (axle, spring and e-clips) $145

HK Carry Handle Axle $16

HK Carry Handle Axle Elbow Spring $12

HK German "E" Clips For Carry Handle (Need 2 For Assembly) $5 each

HK 21E Extended Cocking Handles $65

HK Red Handled Rear Sight Adjustment Tool $75

HK 21 German Grip Cleaning Kit. Fits All "Navy" Or Pictogram Lower Housings. Also Great For Storage Of Spare Parts, Paperwork, Etc. Comes Complete As Shown $65

HK 21/23E German 4 Position Trigger Housing Complete $85

HK German 4 position 3 round burst factory 21E/23E Trigger Groups Complete $675

HK21 E Feed Mechanism Complete $2395

HK German 21E Bolt Head Complete $395

HK German 21E Factory Extractor $69

HK German Factory HK21E / 11E / 23E Firing Pin $75

RARE! HK PSG1 Factory Locking Roller Set Complete (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) $1250

HK German ULTRA RARE MSG90 / PSG1 & HK23E 8.02 (+2)T Titanium Roller Set (Pair) $275

HK11E Bolt Group Complete $1595

HK German 21 Barrel Case W/ Sling (All Steel Heavy Duty) Will Fit All HK 21 Barrels $245

HK21/ HK21E Factory German Sling $85

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