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  5. 6.5 Grendel > AR-15 Complete Upper Build Kits
  6. Davidson Defense Ruckus 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat Keymod Handguard Pistol Complete Upper Build

Davidson Defense Ruckus 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat Keymod Handguard Pistol Complete Upper Build

Part Number: PI-PC-65G-63576
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Davidson Defense Ruckus 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat Keymod Handguard Pistol Complete Upper Build
On sale $318.99 $239.99
Retail Price:$318.99
Your Savings:$79.00(25%)
23 left In Stock!
Availability: In Stock

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Details

The Ruckus 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Complete Upper Build from Davidson Defense is optimized for precision and reliability. It features a 12.5-inch barrel made from 4150 CrMoV steel with a medium profile and a 1:8 twist rate, delivering consistent performance with the 6.5 Grendel caliber. The upper receiver is constructed from forged 7075-T6 aluminum, equipped with a forward assist and dust cover.


A 10-inch freefloat Keymod handguard, made from 6061-T6 aluminum, provides mounting versatility while minimizing weight. The low-profile 0.75" gas block ensures smooth operation, while the AR-15 GI birdcage flash hider helps manage muzzle rise. The robust bolt carrier group is built to 6.5 Grendel II specifications, featuring a nitrided finish for durability. This complete upper build is designed for shooters seeking a reliable, compact option for their pistol configuration.

Specifications

Caliber: 6.5 Grendel

Barrel: 12.5", 4150 CrMoV, Medium Profile, 1:8 Twist, Carbine Gas, Nitride Finish, 5/8x24 Thread

Upper Receiver: Forged 7075-T6 Aluminum, Anodized Finish, Includes Forward Assist & Dust Cover

Handguard: 10" Free Float KeyMod, 6061-T6 Aluminum, Black

Gas Block: 0.75", Low-Profile Steel, Slide-On, Phosphate Finish

Muzzle Device: AR-15 GI Birdcage Flash Hider, 5/8x24 TPI, Manganese Phosphate Finish

Bolt Carrier Group: 6.5 Grendel II, 9310 Steel Bolt Head, 8620 Steel Carrier, QPQ Nitride Finish

Charging Handle: AR-15/M4 Mil-Spec, Aluminum, Anodized Black

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