The Green-Dell 20-inch AR-15 6.5 Grendel Rifle Upper Build Kit from Davidson Defense offers a robust solution for gunsmiths seeking precision and durability in their firearms. This kit features a 20-inch barrel made from 416R stainless steel with a polished finish, designed in an HBAR profile with a 1:8 twist rate for optimal accuracy. The barrel has a 5/8x24 thread pitch, comes equipped with a GI Birdcage flash hider, and a 0.750-inch gas block for reliable gas regulation. The stripped upper receiver is crafted from 7075 T6 aluminum and is anodized for enhanced durability. The handguard, constructed from 6061-T6 aluminum in an M-Lok style, provides a lightweight yet sturdy platform for attachments. Completing the assembly is a rifle-length stainless steel gas tube. This upper build kit is ideal for gunsmiths who appreciate reliability and precision in their custom builds.
Caliber: 6.5 Grendel
Barrel Length: 20 inches
Barrel Material: 416R Stainless Steel
Barrel Finish: Polished Stainless Steel
Barrel Profile: HBAR
Barrel Twist Rate: 1:8
Barrel Thread Pitch: 5/8x24
Gas Block Size: 0.750 inches
Muzzle Device: AR-15/AR-10 .308 5/8x24 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 5/8x24
Upper Receiver Name: Stripped Upper Receiver with M4 Feed ramps
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Gas Tube Length: Rifle-Length
Gas Tube Material: Stainless Steel
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