GrovTec KeyMod 3.8" 9 Slot Picatinny Rail is an accessory rail designed to add a MIL-STD 1913 Picatinny mounting surface to a KeyMod handguard. This 3.8" 9-slot version provides a longer mounting section for compatible rail-mounted accessories.
The GrovTec KeyMod 3.8" 9 Slot Picatinny Rail provides a Picatinny accessory mounting section for firearms equipped with a KeyMod interface. Built from lightweight aluminum with a Type III black anodized finish, this 3.8" 9-slot rail is designed to accept compatible MIL-STD 1913 Picatinny accessories while keeping installation specific to the KeyMod mounting system.
Key Features
Designed for KeyMod mounting systems 3.8" 9-slot Picatinny rail section MIL-STD 1913 Picatinny rail pattern Lightweight aluminum construction Type III black anodized finish
All Technical Data
Brand: GrovTec Product Name: KeyMod 3.8" 9 Slot Picatinny Rail Model: GTSW229 Product Type: Rail Rail Type: KeyMod Mount Type: Accessory Rail Picatinny Standard: MIL-STD 1913 Length: 3.8" Slots: 9 Material: Lightweight aluminum Finish: Type III black anodized Included: Hardware and Allen key
Why Choose This Product?
Choose this rail to add a 3.8" Picatinny accessory mounting section to a compatible KeyMod handguard.
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Very fast service, thank you.
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15 Oct 2025
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(Translated by Google)
I ordered a box of ammunition (270 caliber) through the Londero Sports website, which I couldn't find anywhere else... Super fast delivery! I recommend it without hesitation.
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11 Oct 2025
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10 Oct 2025
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01 Oct 2025
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(Translated by Google)
Great service and good prices
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26 Sep 2025
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22 Sep 2025
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(Translated by Google)
Excellent service!
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16 Sep 2025
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15 Sep 2025
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15 Sep 2025
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05 Sep 2025
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03 Sep 2025
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English 
Service très rapide merci (Translated by Google) Very fast service, thank you.