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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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Lancer Tactical Cylinder Upgrade for 451-590mm Inner Barrels

Lancer Tactical Cylinder Upgrade for 451-590mm Inner Barrels

$11.00$9.90

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Lancer Tactical Copper Barrel (285 mm)

Lancer Tactical Copper Barrel (285 mm)

$14.00$12.60

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Lancer Tactical LT-20 Aluminum Piston Set

Lancer Tactical LT-20 Aluminum Piston Set

$53.90$48.51

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Lancer Tactical Short Barrel Lined AEG Cylinder by SHS (4 Port)

Lancer Tactical Short Barrel Lined AEG Cylinder by SHS (4 Port)

$16.00$14.40

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Lancer Tactical Ver. 3 Spring Guide with Bearings by SHS

Lancer Tactical Ver. 3 Spring Guide with Bearings by SHS

$12.00$10.80

Save: $1.20
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Lancer Tactical Steel O-Type Steel Motor Pinion Gear by SHS

Lancer Tactical Steel O-Type Steel Motor Pinion Gear by SHS

$9.00$8.10

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Lancer Tactical Slotted AEG Cylinder for 451mm-590mm Inner Barrel by SHS

Lancer Tactical Slotted AEG Cylinder for 451mm-590mm Inner Barrel by SHS

$14.00$12.60

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Lancer Tactical Aluminum Ver. 3 Spring Guide by SHS (Red)

Lancer Tactical Aluminum Ver. 3 Spring Guide by SHS (Red)

$15.00$13.50

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Lancer Tactical Steel AEG Cylinder for 407-455mm Inner Barrel by SHS

Lancer Tactical Steel AEG Cylinder for 407-455mm Inner Barrel by SHS

$14.00$12.60

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Lancer Tactical 60 Degree Hop Up Nub by SHS

Lancer Tactical 60 Degree Hop Up Nub by SHS

$7.00$6.30

Save: $0.70
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Lancer Tactical 7mm Oiless Bushings Set by SHS

Lancer Tactical 7mm Oiless Bushings Set by SHS

$9.99$8.99

Save: $1.00
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Lancer Tactical Parts Kit for M4 Hop Up Unit by SHS

Lancer Tactical Parts Kit for M4 Hop Up Unit by SHS

$9.99$8.99

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Lancer Tactical Aluminum AEG Cylinder for 300-400mm Inner Barrel by SHS

Lancer Tactical Aluminum AEG Cylinder for 300-400mm Inner Barrel by SHS

$14.00$12.60

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Lancer Tactical 8mm Oiless Bushings Set by SHS

Lancer Tactical 8mm Oiless Bushings Set by SHS

$9.99

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Lancer Tactical Spring Set for Ver. 3 Gearbox by SHS

Lancer Tactical Spring Set for Ver. 3 Gearbox by SHS

$8.00$7.20

Save: $0.80
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Lancer Tactical 2.5mm Piston Head O-Ring by SHS (6 Pack)

Lancer Tactical 2.5mm Piston Head O-Ring by SHS (6 Pack)

$7.00$6.30

Save: $0.70
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Lancer Tactical CNC Aluminum Hop Up Unit for M4/M16 AEG by SHS (Red)

Lancer Tactical CNC Aluminum Hop Up Unit for M4/M16 AEG by SHS (Red)

$36.00$32.40

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Lancer Tactical 1mm Air Nozzle O-Ring by SHS (6 Pack)

Lancer Tactical 1mm Air Nozzle O-Ring by SHS (6 Pack)

$7.00$6.30

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Lancer Tactical Safety Lever for M4/M16 AEG by SHS

Lancer Tactical Safety Lever for M4/M16 AEG by SHS

$9.00$8.10

Save: $0.90
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Lancer Tactical Spring Set for Ver. 7 Gearbox by SHS

Lancer Tactical Spring Set for Ver. 7 Gearbox by SHS

$8.00$7.20

Save: $0.80
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