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FRONT-END COMPONENTS
RECEIVER | MAGWELL PARTS
BCG PARTS | RECOIL ASSY.
TRIGGER PACKS | PARTS
HERO TEXT HERE
The greatest selection of parts and accessories for HK MP5 Series rifles and pistols. Only on Weapon Builder.
RECEIVER FLATS | WELDMENTS | RIVETS
MP5 / MP5SD Receiver Flat
MP5K Receiver Flat
MP5 Weldment Kit
MP5K Weldment Kit
MP5K Stock Reinforcement Tabs
MP5K Upper Stock Bushings
Sling Attachment
Sling Attachment Rivets
Shell Deflector Kit
Scopemount Weldment
Semi-Auto Shelf Weldment
Rear Sight Base
Rear Stock Pin Bushing
RAM JIG
20-Ton Shop Press
FRONT SIGHTS | REAR SIGHTS
Front Sight Tower (German)
Front Sight Tower (USA)
MP5SD Front Sight Tower
Cocking Tube End Cap (German)
Cocking Tube End Cap – Steel (USA)
Cocking Tube End Cap – Alloy (USA)
Front Sight Tower Pin (German)
Sight Tower Sling Loop | Mounting Pin
Sling Loop Weldment (German)
MP5 Rear Sight Set   (German)
Blitz Krieg Front Night Sight (Gen 2)
Trijicon MP5 Night Sights (Green Tritium)
COCKING TUBE ASSEMBLY
MP5 Cocking Tube (German)
MP5 Cocking Tube (USA)
MP5K Cocking Tube (German)
Cocking Tube Hanger Clip
MP5F Cocking Tube Support (German)
MP5 Cocking Tube Support (German)
MP5 Cocking Tube Support (USA) Steel
MP5 Cocking Tube Support (USA) Titanium
MP5K Cocking Tube Support (German)
MP5K Cocking Tube Support (USA)
MP5F Cocking Handle (German)
MP5 Cocking Handle (German)
MP5 Cocking Handle – BLK (USA)
MP5 Cocking Handle – FDE (USA)
Cocking Tube Support Spring MP5 / MP5SD (German)
Cocking Tube Support Spring MP5K (German)
Cocking Handle Roll Pin (German)
Cocking Support Detent (German)
Cocking Tube Alignment & Welding Jig
BOLT CARRIER GROUPS | RECOIL SPRING ASSY.
MP5 Bolt Carrier Group (German)
MP5F Bolt Carrier Group (German)
MP5K Bolt Carrier Group (German)
MP5SD Bolt Carrier Group (German)
MP5 Bolt Carrier Group (RCM/USA)
MP5F Bolt Carrier Group (RCM/USA)
MP5K Bolt Carrier Group (RCM/USA)
MP5SD Bolt Carrier Group (RCM/USA)
MP5 F/A Bolt Carrier (German)
MP5K F/A Bolt Carrier (German)
MP5 F/A Bolt Carrier     (RCM/USA)
MP5K F/A Bolt Carrier    (RCM/USA)
MP5 Recoil Assembly (German)
MP5F Recoil Assembly (German)
MP5K Recoil Assembly (German)
MP5 Recoil Assembly     (USA)
MP5K Recoil Assembly    (USA)
MP5 Recoil Spring    (German)
MP5K Recoil Spring  (German)
MP5 Recoil Rod Bushing (German)
MP5 Bolt Head – Complete (German)
MP5F Bolt Head – Complete (German)
MP5K Bolt Head – Complete (German)
MP5 Bolt Head – Complete (RCM / USA)
MP5F Bolt Head – Complete (RCM / USA)
MP5K Bolt Head – Complete (RCM / USA)
MP5 Bolt Group Repair Kit (German)
MP5 Extractor Spring (German)
MP5 Firing Pin (German)
MP5 Firing Pin Spring (German)
MP5 “F” Style Braided Firing Pin Spring (German)
MP5 Bolt Group Repair Kit (German)
MP5 Extractor Spring (German)
MP5 Locking Pieces  (German)
MP5 Locking Pieces  (RCM/USA)
MP5K Locking Pieces (German)
MP5K Locking Pieces      (USA)
MP5SD Locking Pieces (German)
MP5SD Locking Pieces    (USA)
MP5 Locking Rollers (German)
TRIGGER PACKS | TRIGGER PARTS
4-Position Burst Trigger Group 0,1,3,F (German)
4-Position 0,1 Trigger Group – Universal (German)
MP5 3-Position Navy Trigger Group 0,1,F (German)
MP5 9mm Trigger Group – FBI (0,1) Ambidextrous (German)
MP5 SEF F/A Trigger Group – SEF Contoured (German)
4-Position Burst Trigger Housing 0,1,3,F (German)
4-Position Trigger Housing – Clipped & Pinned (German)
MP5 3-Position Navy Trigger Housing 0,1,F (German)
MP5 9mm Trigger Group – FBI (0,1) Ambidextrous (German)
MP5 SEF F/A Trigger Group – SEF Contoured (German)
MAGWELL PARTS
MP5 Magazine Catch (German)
MP5 Magazine Catch Spring (German)
MP5 Magazine Catch Contact (German)
MP5 Magazine Catch Push Button (German)
MP5 Push Button Roll Pin (German)
MP5 Magazine Release Lever Bushing (German)
MP5 Magazine Release Lever (German)
MP5 Magazine Release Set (German/USA)
Look Good
Feel Good
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Better Choice. Better Look. Better Life.
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