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Modify
Modify-Tech specializes in precision metal parts, turning industry tools and precision machine attachments such as Airsoft Custom Parts, R/C Car Upgrade Parts, Watch Parts, Rotary Internal Broaches, Collet Holders design and manufacturing. With more than 40 years experience in the industry, our products reputation rates highly for quality and value. In this section you will find lots of different parts from modify for your airsoft guns, such as barrels, shims, springs, cut off levers, bearings, hop ups, cylinder kits, and many other internal parts for your guns.

Experienced Player’s POV: Modify makes extremely high quality parts for multiple different guns. If you’re looking to upgrade and exceed the quality of most stock rifles, modify parts are excellent for any kind of build you can think of.

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Modify Spring Guide w/ Bearing for A&K/CA M249

Modify Spring Guide w/ Bearing for A&K/CA M249

$25.00$22.50

Save: $2.50
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Modify Spring Set for Ver.2/Ver.3 Gearbox

Modify Spring Set for Ver.2/Ver.3 Gearbox

$7.00$6.30

Save: $0.70
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Modify Polycarbonate Piston Body (Half Teeth)

Modify Polycarbonate Piston Body (Half Teeth)

$16.00$14.40

Save: $1.60
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Modify Rifle Stock Ammo Pouch with Leather Cheek Pad (ACU)

Modify Rifle Stock Ammo Pouch with Leather Cheek Pad (ACU)

$19.00$17.10

Save: $1.90
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Modify Smooth 16.32:1 Modular High Speed Gear Set for TM Ver2/3

Modify Smooth 16.32:1 Modular High Speed Gear Set for TM Ver2/3

$90.00$81.00

Save: $9.00
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Modify Improved 2-Ring Hop Up Bucking

Modify Improved 2-Ring Hop Up Bucking

$5.00$4.50

Save: $0.50
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Modify Speed M100 Complete Version 2 Gearbox for M4 - Front Wired/Ultra Plug
qualifies for free shipping

Modify Speed M100 Complete Version 2 Gearbox for M4 - Front Wired/Ultra Plug

$248.00$223.20

Save: $24.80
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Modify Motor Pinion Gear

Modify Motor Pinion Gear

$8.00$7.20

Save: $0.80
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Modify Synthetic Gear Grease with PTFE (20ML)

Modify Synthetic Gear Grease with PTFE (20ML)

$10.00$9.00

Save: $1.00
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Modify Replacement Bevel Gear for Smooth Speed Gear Set

Modify Replacement Bevel Gear for Smooth Speed Gear Set

$26.00$23.40

Save: $2.60
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Modify Replacement Bevel Gear for Smooth Torque Gear Set

Modify Replacement Bevel Gear for Smooth Torque Gear Set

$26.00$23.40

Save: $2.60
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Modify Replacement Spur Gear for Smooth Torque Gear Set

Modify Replacement Spur Gear for Smooth Torque Gear Set

$26.00$23.40

Save: $2.60
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Modify Bore-Up Air Seal Nozzle for AK Series

Modify Bore-Up Air Seal Nozzle for AK Series

$9.50$8.55

Save: $0.95
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Modify Bore-Up Air Seal Nozzle for G3/FS3/T3/DSR Series

Modify Bore-Up Air Seal Nozzle for G3/FS3/T3/DSR Series

$9.50$8.55

Save: $0.95
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Modify Bore-Up Air Seal Nozzle for M16 Series

Modify Bore-Up Air Seal Nozzle for M16 Series

$9.50$8.55

Save: $0.95
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Modify Bore-Up Air Seal Nozzle for SG Series

Modify Bore-Up Air Seal Nozzle for SG Series

$9.50$8.55

Save: $0.95
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Modify Bore-Up Air Seal Nozzle for G36/MK36 Series

Modify Bore-Up Air Seal Nozzle for G36/MK36 Series

$9.50$8.55

Save: $0.95
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Modify Aluminum Bore-Up Cylinder Head (Ver. 2/3)

Modify Aluminum Bore-Up Cylinder Head (Ver. 2/3)

$25.00$22.50

Save: $2.50
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Modify Bore-Up Aluminum Piston Head with Bearings (Flat)

Modify Bore-Up Aluminum Piston Head with Bearings (Flat)

$25.00$22.50

Save: $2.50
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Modify Bore-Up AEG Polycarbonate Silent Piston Head

Modify Bore-Up AEG Polycarbonate Silent Piston Head

$25.00$22.50

Save: $2.50
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Modify 8mm Ceramic Bearing Set

Modify 8mm Ceramic Bearing Set

$45.00$40.50

Save: $4.50
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Modify Air Seal Nozzle for Echo 1 ASC Series

Modify Air Seal Nozzle for Echo 1 ASC Series

$9.50$8.55

Save: $0.95
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Modify Bhive Magazine Plate (Black)

Modify Bhive Magazine Plate (Black)

$14.00$12.60

Save: $1.40
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Modify Bhive Magazine Plate (Tan)

Modify Bhive Magazine Plate (Tan)

$14.00$12.60

Save: $1.40
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Disclaimer:

All airsoft guns are required to have the tip (1/4 inch) of the barrel permanently colored in blaze orange. No person may openly display or expose any imitation firearm (replica firearm), in a public place. The term "public place" means an area open to the public or exposed to public view and includes streets, sidewalks, bridges, alleys, plazas, parks, driveways, parking lots, automobiles, whether moving or not, and buildings open to the general public, including those that serve food or drink, or provide entertainment, and the doorways and entrances to buildings or dwellings and the grounds enclosing them.

Any person who changes, alters, removes, or obliterates any coloration or markings that are required for by any applicable state or federal law or regulation, for any imitation firearm (replica firearm), or device in any way that makes the imitation firearm (replica firearm) or device look more like a firearm is guilty of violating the state or federal law.

By accessing the Site, you certify that you are older than 18 years of age or the age of majority where you live, whichever is older; that you are the owner of any credit card used to purchase on items on the Site; that you are familiar with all local laws in your area affecting your legal right to access airsoft products; that any products you buy are for your own private enjoyment and that you will NEVER share these products with a minor in ANY WAY.