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Airsoft Gun Internal Upgrade Parts

Gearbox, Hop Up Units, Inner Barrels, ETC!

Airsoft GI has worked with enough airsoft guns to know that what’s inside really counts. If your airsoft gun has a broken mechanism or has simply fallen behind the times, our internal upgrade parts will have you back in the game. We have airsoft gun internal parts for AEGs, spring sniper rifles and gas blowback pistols and rifles. Add aftermarket AEG cylinder heads to maximize compression or install a precision inner barrel for better accuracy. Replace a burned-out stock motor with a standard OEM motor or upgrade to a high torque model that can handle other internal upgrades.

Our gas airsoft internal upgrades include recoil springs that increase felt recoil, loading nozzles that improve durability and high flow valves to increase FPS velocity. You can upgrade your spring rifle as well with parts that give your shots more distance and more precision. We carry parts from all the leading airsoft parts manufacturers such as Action Army, Danger Werx, G&G, Modify, SHS, and Lonex – and we make some of our own internal airsoft parts. Full tech support comes with every purchase, so you can turn to us if you encounter troubles while you work.


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Maxx Model CNC Aluminum Advanced Speed Trigger for Wolverine MTW Style E (Black)

Maxx Model CNC Aluminum Advanced Speed Trigger for Wolverine MTW Style E (Black)

$34.49$31.04

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Maxx Model CNC Aluminum Advanced Speed Trigger for Wolverine MTW Style E (Red)

Maxx Model CNC Aluminum Advanced Speed Trigger for Wolverine MTW Style E (Red)

$34.49$31.04

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Maxx Model CNC Aluminum Advanced Speed Trigger for Wolverine MTW Style E (Gold)

Maxx Model CNC Aluminum Advanced Speed Trigger for Wolverine MTW Style E (Gold)

$34.49$31.04

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Maxx Model CNC Aluminum Advanced Speed Trigger for Wolverine MTW Style B (Black)

Maxx Model CNC Aluminum Advanced Speed Trigger for Wolverine MTW Style B (Black)

$34.49$31.04

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Maxx Model Hop-Up Chamber Inlet Adapter (OD11mm)

Maxx Model Hop-Up Chamber Inlet Adapter (OD11mm)

$13.99$12.59

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Maxx Model SRE Ultra Precision Hop-Up Chamber for SRS/HTI Airsoft Sniper Rifles (Left-Handed)

Maxx Model SRE Ultra Precision Hop-Up Chamber for SRS/HTI Airsoft Sniper Rifles (Left-Handed)

$59.99$53.99

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Maxx Model SRE Ultra Precision Hop-Up Chamber for SRS/HTI Airsoft Sniper Rifles (Right-Handed)

Maxx Model SRE Ultra Precision Hop-Up Chamber for SRS/HTI Airsoft Sniper Rifles (Right-Handed)

$59.99$53.99

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Maxx Model CNC Aluminum Advanced Speed Trigger for M4/M16 Series Airsoft AEGs Style B (Gold)

Maxx Model CNC Aluminum Advanced Speed Trigger for M4/M16 Series Airsoft AEGs Style B (Gold)

$29.49$26.54

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Maxx Model CNC Aluminum Advanced Speed Trigger for Wolverine MTW Style D (Gold)

Maxx Model CNC Aluminum Advanced Speed Trigger for Wolverine MTW Style D (Gold)

$32.49$29.24

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Maxx Model CNC Aluminum Hop-Up Chamber for ASG CZ Scorpion EVO-3 Airsoft Rifles

Maxx Model CNC Aluminum Hop-Up Chamber for ASG CZ Scorpion EVO-3 Airsoft Rifles

$61.49$55.34

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Maxx Model CNC Aluminum Hop-Up Chamber for M4/M16 Series Airsoft AEG Rifles (M4P - Pro)

Maxx Model CNC Aluminum Hop-Up Chamber for M4/M16 Series Airsoft AEG Rifles (M4P - Pro)

$72.99$65.69

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Maxx Model CNC Aluminum Hopup Chamber for M4/M16 Series Airsoft AEG Rifles M4W

Maxx Model CNC Aluminum Hopup Chamber for M4/M16 Series Airsoft AEG Rifles M4W

$72.99$65.69

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Solink High Power Spring M85 (280 - 310 FPS)

Solink High Power Spring M85 (280 - 310 FPS)

$3.00$2.70

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Solink High Power Spring M90 (280 - 340 FPS)

Solink High Power Spring M90 (280 - 340 FPS)

$3.00$2.70

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Solink High Power Spring M100 (320 - 380 FPS)

Solink High Power Spring M100 (320 - 380 FPS)

$3.00$2.70

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Solink High Power Spring M110 (330 - 390 FPS)

Solink High Power Spring M110 (330 - 390 FPS)

$3.00$2.70

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Solink High Power Spring M120 (360 - 450 FPS)

Solink High Power Spring M120 (360 - 450 FPS)

$3.00$2.70

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Solink High Power Spring M130 (420 - 500 FPS)

Solink High Power Spring M130 (420 - 500 FPS)

$3.00$2.70

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Solink High Power Spring M140 (450 - 550 FPS)

Solink High Power Spring M140 (450 - 550 FPS)

$5.00$4.50

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Solink High Power Spring M150 (480 - 600 FPS)

Solink High Power Spring M150 (480 - 600 FPS)

$5.00$4.50

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Solink High Power Spring M160 (530 - 650 FPS)

Solink High Power Spring M160 (530 - 650 FPS)

$5.00$4.50

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Solink High Power Spring M170 (550 - 700 FPS)

Solink High Power Spring M170 (550 - 700 FPS)

$5.00$4.50

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Solink Motor Shaft Guide Bushing (Black)

Solink Motor Shaft Guide Bushing (Black)

$5.00$4.50

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Solink CNC Aluminum Drop-In End Bell (Black)

Solink CNC Aluminum Drop-In End Bell (Black)

$8.00$7.20

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Solink CNC Aluminum Drop-In End Bell (Blue)

Solink CNC Aluminum Drop-In End Bell (Blue)

$8.00$7.20

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Solink CNC Aluminum Drop-In End Bell (Red)

Solink CNC Aluminum Drop-In End Bell (Red)

$8.00$7.20

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Solink Rubber Drop-In End Bell (Blue)

Solink Rubber Drop-In End Bell (Blue)

$5.00$4.50

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Solink Rubber Drop-In End Bell (Color: Red)

Solink Rubber Drop-In End Bell (Color: Red)

$5.00$4.50

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Solink Gold Plated Motor Connectors Set for Airsoft w/ Shrink Tubing

Solink Gold Plated Motor Connectors Set for Airsoft w/ Shrink Tubing

$2.00$1.80

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Solink Silver Plated Motor Connectors Set for Airsoft w/ Shrink Tubing

Solink Silver Plated Motor Connectors Set for Airsoft w/ Shrink Tubing

$2.00$1.80

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Solink Steel Motor Pinion Gear for Airsoft AEG Motors (D-Type)

Solink Steel Motor Pinion Gear for Airsoft AEG Motors (D-Type)

$3.00$2.70

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Solink Steel Motor Pinion Gear for Airsoft AEG Motors (O-Type)

Solink Steel Motor Pinion Gear for Airsoft AEG Motors (O-Type)

$3.00$2.70

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Solink Lightweight Nylon Polymer Piston w/ 3 Reinforced Steel Teeth

Solink Lightweight Nylon Polymer Piston w/ 3 Reinforced Steel Teeth

$5.00$4.50

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Solink Lightweight Nylon Polymer Piston w/ 7 Reinforced Steel Teeth

Solink Lightweight Nylon Polymer Piston w/ 7 Reinforced Steel Teeth

$5.00$4.50

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Solink Lightweight Nylon Polymer Piston w/ 14 Reinforced Steel Teeth

Solink Lightweight Nylon Polymer Piston w/ 14 Reinforced Steel Teeth

$5.00$4.50

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Solink Lightweight Nylon Polymer Piston w/ 15 Reinforced Steel Teeth

Solink Lightweight Nylon Polymer Piston w/ 15 Reinforced Steel Teeth

$12.00$10.80

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Laylax VSR-10 Series 555mm Tight Bore Inner Barrel

Laylax VSR-10 Series 555mm Tight Bore Inner Barrel

$98.00$88.20

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Laylax M40A5 Series 280mm Tight Bore Inner Barrel

Laylax M40A5 Series 280mm Tight Bore Inner Barrel

$78.00$70.20

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