Internal parts and upgrade for electric airsoft weapons
Internal parts and upgrade - AEG

You're getting pretty serious about airsoft, aren't you? We know the drill. The best way to dive deeper into our world is to upgrade your weapon. Because suddenly you'll find that your baby shoots farther, is more accurate, sounds better and breaks down less. And that's just the tip of the iceberg! Internal parts for electric airsoft guns come in many categories, but if you're just starting out, you should definitely look for a new mechabox, spring, seals and HopUp chamber first.

Subcategory
Hop-Up buckings and Nubs
Hop-Up buckings and Nubs
Hop-up chambers
Hop-up chambers
Inner barrels
Inner barrels
Gearboxes
Gearboxes
Inner parts of the gearbox
Inner parts of the gearbox
Outer parts of the mechanism
Outer parts of the mechanism
Wiring, Mosfets & Connectors
Wiring, Mosfets & Connectors
Motors & Motor cages
Motors & Motor cages
  • New
GUARDER Progressive Tune-Up Spring for AEG - SP100
IN STOCK
11.98 €
  • New
GUARDER Progressive Tune-Up Spring for AEG - SP100
GUARDER Progressive Tune-Up Spring for AEG - SP100
IN STOCK
11.98 €
  • New
GUARDER Progressive Tune-Up Spring for AEG - SP100
GUARDER Progressive Tune-Up Spring for AEG - SP100
Standard springs
Guarder Progressive Spring for AEG with a stiffness of SP100 (M100). Offers performance of 98 - 104 m/s. Made from tempered Si-Cr wire. Progressive (irregular) winding of the spring eases compression in the initial phase. Performance consistency ...
11.98 €
39 items left in stock.
  • New
GUARDER Progressive Tune-Up Spring for AEG - SP100
GUARDER Progressive Tune-Up Spring for AEG - SP100
Standard springs
Guarder Progressive Spring for AEG with a stiffness of SP100 (M100). Offers performance of 98 - 104 m/s. Made from tempered Si-Cr wire. Progressive (irregular) winding of the spring eases compression in the initial phase. Performance consistency ...
39 items left in stock.
11.98 €
  • New
RetroArms CNC Gearbox V2 QSC, 8mm
IN STOCK
150.47 €
  • New
RetroArms CNC Gearbox V2 QSC, 8mm
RetroArms CNC Gearbox V2 QSC, 8mm
IN STOCK
150.47 €
  • New
RetroArms CNC Gearbox V2 QSC, 8mm
RetroArms CNC Gearbox V2 QSC, 8mm
Gearbox shells
CNC Gearbox V2 QSC (Version 2025+) by RetroArms. Made from aerospace-grade aluminum EN AW 7075 T651 with strength exceeding steel. QSC quick spring change system. Precision CNC machining for maximum compatibility and durability. Reinforced...
150.47 €
Only 9 items left in stock.
  • New
RetroArms CNC Gearbox V2 QSC, 8mm
RetroArms CNC Gearbox V2 QSC, 8mm
Gearbox shells
CNC Gearbox V2 QSC (Version 2025+) by RetroArms. Made from aerospace-grade aluminum EN AW 7075 T651 with strength exceeding steel. QSC quick spring change system. Precision CNC machining for maximum compatibility and durability. Reinforced...
Only 9 items left in stock.
150.47 €
  • New
RetroArms CNC Hop-up Chamber AR15 BASIC - Black
IN STOCK
43.94 €
  • New
RetroArms CNC Hop-up Chamber AR15 BASIC - Black
RetroArms CNC Hop-up Chamber AR15 BASIC - Black
IN STOCK
43.94 €
  • New
RetroArms CNC Hop-up Chamber AR15 BASIC - Black
RetroArms CNC Hop-up Chamber AR15 BASIC - Black
M4 / M16
CNC Hop-Up Chamber AR15 BASIC by RetroArms in black . Designed for AEG AR15 rifles (M4, MK18, M16, SR-25, and others). Made from aircraft-grade aluminum EN AW 7075. Ready for R-Hop and standard buckings. Collet nut ensures perfect barrel centering...
43.94 €
21 items left in stock.
  • New
RetroArms CNC Hop-up Chamber AR15 BASIC - Black
RetroArms CNC Hop-up Chamber AR15 BASIC - Black
M4 / M16
CNC Hop-Up Chamber AR15 BASIC by RetroArms in black . Designed for AEG AR15 rifles (M4, MK18, M16, SR-25, and others). Made from aircraft-grade aluminum EN AW 7075. Ready for R-Hop and standard buckings. Collet nut ensures perfect barrel centering...
21 items left in stock.
43.94 €
  • New
EPeS set of o-rings for pressurizing the AEG hop chamber
IN STOCK
4.44 €
  • New
EPeS set of o-rings for pressurizing the AEG hop chamber
EPeS set of o-rings for pressurizing the AEG hop chamber
IN STOCK
4.44 €
  • New
EPeS set of o-rings for pressurizing the AEG hop chamber
EPeS set of o-rings for pressurizing the AEG hop chamber
O-rings and pads
Precision and Accuracy are influenced by variations in shot power. This dispersion should be minimized as much as possible. O-rings are placed on the inner barrel instead of the spring , pushing the AEG chamber more onto the gearbox. This extends the lifespan of the gearbox and, most importantly, improves performance consistency. You'll...
4.44 €
15 items left in stock.
  • New
EPeS set of o-rings for pressurizing the AEG hop chamber
EPeS set of o-rings for pressurizing the AEG hop chamber
O-rings and pads
Precision and Accuracy are influenced by variations in shot power. This dispersion should be minimized as much as possible. O-rings are placed on the inner barrel instead of the spring , pushing the AEG chamber more onto the gearbox. This extends the lifespan of the gearbox and, most importantly, improves performance consistency. You'll...
15 items left in stock.
4.44 €
  • New
ML AEG Hop-up Bucking SUPER MACARON, 50 Shore - Green
IN STOCK
7.99 €
  • New
ML AEG Hop-up Bucking SUPER MACARON, 50 Shore - Green
ML AEG Hop-up Bucking SUPER MACARON, 50 Shore - Green
IN STOCK
7.99 €
  • New
ML AEG Hop-up Bucking SUPER MACARON, 50 Shore - Green
ML AEG Hop-up Bucking SUPER MACARON, 50 Shore - Green
Hop-Up buckings and Nubs
SUPER MACARON Hop-up Bucking by Maple Leaf for maximum accuracy. Patch shape: arrow with centering supports. Green version with hardness of 50 shore (up to 110 m/s). New sealing ridge design. Inner sealing ring for barrels with...
7.99 €
43 items left in stock.
  • New
ML AEG Hop-up Bucking SUPER MACARON, 50 Shore - Green
ML AEG Hop-up Bucking SUPER MACARON, 50 Shore - Green
Hop-Up buckings and Nubs
SUPER MACARON Hop-up Bucking by Maple Leaf for maximum accuracy. Patch shape: arrow with centering supports. Green version with hardness of 50 shore (up to 110 m/s). New sealing ridge design. Inner sealing ring for barrels with...
43 items left in stock.
7.99 €
  • New
ML AEG Hop-up Bucking SUPER MACARON, 70 Shore - Blue
IN STOCK
7.99 €
  • New
ML AEG Hop-up Bucking SUPER MACARON, 70 Shore - Blue
ML AEG Hop-up Bucking SUPER MACARON, 70 Shore - Blue
IN STOCK
7.99 €
  • New
ML AEG Hop-up Bucking SUPER MACARON, 70 Shore - Blue
ML AEG Hop-up Bucking SUPER MACARON, 70 Shore - Blue
Hop-Up buckings and Nubs
SUPER MACARON Hop-up Bucking  by  Maple Leaf  for maximum  accuracy. Patch shape:  arrow with centering supports. Blue  version with hardness of  70 shore (110-140 m/s). New sealing ridge design. Inner sealing ring  for barrels with...
7.99 €
95 items left in stock.
  • New
ML AEG Hop-up Bucking SUPER MACARON, 70 Shore - Blue
ML AEG Hop-up Bucking SUPER MACARON, 70 Shore - Blue
Hop-Up buckings and Nubs
SUPER MACARON Hop-up Bucking  by  Maple Leaf  for maximum  accuracy. Patch shape:  arrow with centering supports. Blue  version with hardness of  70 shore (110-140 m/s). New sealing ridge design. Inner sealing ring  for barrels with...
95 items left in stock.
7.99 €
  • New
ML AEG Hop-up Bucking SUPER MACARON, 75 Shore - Pink
IN STOCK
7.99 €
  • New
ML AEG Hop-up Bucking SUPER MACARON, 75 Shore - Pink
ML AEG Hop-up Bucking SUPER MACARON, 75 Shore - Pink
IN STOCK
7.99 €
  • New
ML AEG Hop-up Bucking SUPER MACARON, 75 Shore - Pink
ML AEG Hop-up Bucking SUPER MACARON, 75 Shore - Pink
Hop-Up buckings and Nubs
SUPER MACARON Hop-up Bucking  by  Maple Leaf  for maximum  accuracy. Patch shape:  arrow with centering supports. Pink  version with hardness of  75 shore (130-150 m/s). New sealing ridge design. Inner sealing ring  for barrels with...
7.99 €
65 items left in stock.
  • New
ML AEG Hop-up Bucking SUPER MACARON, 75 Shore - Pink
ML AEG Hop-up Bucking SUPER MACARON, 75 Shore - Pink
Hop-Up buckings and Nubs
SUPER MACARON Hop-up Bucking  by  Maple Leaf  for maximum  accuracy. Patch shape:  arrow with centering supports. Pink  version with hardness of  75 shore (130-150 m/s). New sealing ridge design. Inner sealing ring  for barrels with...
65 items left in stock.
7.99 €
  • New
ML AEG Hop-up Bucking MACARON, 50 Shore - Green
IN STOCK
5.77 €
  • New
ML AEG Hop-up Bucking MACARON, 50 Shore - Green
ML AEG Hop-up Bucking MACARON, 50 Shore - Green
IN STOCK
5.77 €
  • New
ML AEG Hop-up Bucking MACARON, 50 Shore - Green
ML AEG Hop-up Bucking MACARON, 50 Shore - Green
Hop-Up buckings and Nubs
MACARON Hop-up Bucking  by  Maple Leaf  for maximum  accuracy. Patch shape: arrow (diamond). Green  version with hardness of  50 shore (up to 110 m/s). Sealing ridge. Compatible with AEG / HPA chambers  of  TM standard ...
5.77 €
21 items left in stock.
  • New
ML AEG Hop-up Bucking MACARON, 50 Shore - Green
ML AEG Hop-up Bucking MACARON, 50 Shore - Green
Hop-Up buckings and Nubs
MACARON Hop-up Bucking  by  Maple Leaf  for maximum  accuracy. Patch shape: arrow (diamond). Green  version with hardness of  50 shore (up to 110 m/s). Sealing ridge. Compatible with AEG / HPA chambers  of  TM standard ...
21 items left in stock.
5.77 €
  • New
ML AEG Hop-up Bucking MACARON, 70 Shore - Blue
IN STOCK
5.77 €
  • New
ML AEG Hop-up Bucking MACARON, 70 Shore - Blue
ML AEG Hop-up Bucking MACARON, 70 Shore - Blue
IN STOCK
5.77 €
  • New
ML AEG Hop-up Bucking MACARON, 70 Shore - Blue
ML AEG Hop-up Bucking MACARON, 70 Shore - Blue
Hop-Up buckings and Nubs
MACARON Hop-up Bucking  by  Maple Leaf  for maximum  accuracy. Patch shape:  arrow (diamond). Blue  version with hardness of  70 shore ( 110-140 m/s ). Sealing ridge. Compatible with AEG / HPA chambers  of  TM...
5.77 €
80 items left in stock.
  • New
ML AEG Hop-up Bucking MACARON, 70 Shore - Blue
ML AEG Hop-up Bucking MACARON, 70 Shore - Blue
Hop-Up buckings and Nubs
MACARON Hop-up Bucking  by  Maple Leaf  for maximum  accuracy. Patch shape:  arrow (diamond). Blue  version with hardness of  70 shore ( 110-140 m/s ). Sealing ridge. Compatible with AEG / HPA chambers  of  TM...
80 items left in stock.
5.77 €
  • New
ML AEG Silicone Hop-up Bucking SUPER MACARON, 50 Shore - Green
IN STOCK
7.55 €
  • New
ML AEG Silicone Hop-up Bucking SUPER MACARON, 50 Shore - Green
ML AEG Silicone Hop-up Bucking SUPER MACARON, 50 Shore - Green
IN STOCK
7.55 €
  • New
ML AEG Silicone Hop-up Bucking SUPER MACARON, 50 Shore - Green
ML AEG Silicone Hop-up Bucking SUPER MACARON, 50 Shore - Green
Hop-Up buckings and Nubs
SUPER MACARON Hop-Up Bucking by Maple Leaf for maximum precision without the need for "warm-up." Protrusion shape: arrow with centering ribs. Silicone version for cold weather. Hardness 50 shore (up to 110 m/s). New sealing grooves. Internal...
7.55 €
Only 2 items left in stock.
  • New
ML AEG Silicone Hop-up Bucking SUPER MACARON, 50 Shore - Green
ML AEG Silicone Hop-up Bucking SUPER MACARON, 50 Shore - Green
Hop-Up buckings and Nubs
SUPER MACARON Hop-Up Bucking by Maple Leaf for maximum precision without the need for "warm-up." Protrusion shape: arrow with centering ribs. Silicone version for cold weather. Hardness 50 shore (up to 110 m/s). New sealing grooves. Internal...
Only 2 items left in stock.
7.55 €
  • New
Steel Spring Guide w/Bearing, Scorpion EVO 3 - A1
IN STOCK
26.63 €
  • New
Steel Spring Guide w/Bearing, Scorpion EVO 3 - A1
Steel Spring Guide w/Bearing, Scorpion EVO 3 - A1
IN STOCK
26.63 €
  • New
Steel Spring Guide w/Bearing, Scorpion EVO 3 - A1
Steel Spring Guide w/Bearing, Scorpion EVO 3 - A1
Version 4, 6, 7…
Steel spring guide with bearing for CZ Scorpion EVO 3 by ASG in black . Reinforced construction made from high-strength steel. Handles springs from M90 to M190 . Bearing-supported base increases spring lifespan and rate of fire. Outer...
26.63 €
Only 4 items left in stock.
  • New
Steel Spring Guide w/Bearing, Scorpion EVO 3 - A1
Steel Spring Guide w/Bearing, Scorpion EVO 3 - A1
Version 4, 6, 7…
Steel spring guide with bearing for CZ Scorpion EVO 3 by ASG in black . Reinforced construction made from high-strength steel. Handles springs from M90 to M190 . Bearing-supported base increases spring lifespan and rate of fire. Outer...
Only 4 items left in stock.
26.63 €
  • New
ASG CNC Short-Stroke Trigger CZ Scorpion EVO 3 - Black
IN STOCK
43.94 €
  • New
ASG CNC Short-Stroke Trigger CZ Scorpion EVO 3 - Black
ASG CNC Short-Stroke Trigger CZ Scorpion EVO 3 - Black
IN STOCK
43.94 €
  • New
ASG CNC Short-Stroke Trigger CZ Scorpion EVO 3 - Black
ASG CNC Short-Stroke Trigger CZ Scorpion EVO 3 - Black
Other
CNC Short-Stroke Trigger for Scorpion EVO 3 A1 by ASG in black . Short-stroke trigger travel for faster shooting response. CNC-milled aluminum construction. Engraved EVO logo – stylish look for enthusiasts. Designed for ASG Scorpion EVO...
43.94 €
Only 6 items left in stock.
  • New
ASG CNC Short-Stroke Trigger CZ Scorpion EVO 3 - Black
ASG CNC Short-Stroke Trigger CZ Scorpion EVO 3 - Black
Other
CNC Short-Stroke Trigger for Scorpion EVO 3 A1 by ASG in black . Short-stroke trigger travel for faster shooting response. CNC-milled aluminum construction. Engraved EVO logo – stylish look for enthusiasts. Designed for ASG Scorpion EVO...
Only 6 items left in stock.
43.94 €