The Davidson Defense Outrider delivers precision and versatility in a compact AR-9 upper build kit. Featuring a 7.5 inch barrel made from durable 4150 CrMoV steel with phosphate finish, this kit accommodates 9MM ammunition in extremely compact dimensions. The heavy barrel profile supports a 1 in 10 twist rate for stable projectile performance with common 9MM bullet weights from 115 grain through 147 grain. Threaded 1/2x36 for compatible 9MM muzzle devices with included 9MM flash hider. The upper receiver constructed from 7075-T6 aluminum ensures a lightweight and robust foundation while anodized finish adds corrosion resistance. A 7 inch M-Lok handguard made from 6061-T6 aluminum with black finish allows customizable accessory mounting on multiple positions. This pistol upper build kit delivers a reliable and flexible setup for AR-9 platforms. BCG and charging handle are not included.
The heavy barrel profile provides increased mass that absorbs heat during sustained fire and reduces harmonic vibrations for improved accuracy potential. This profile maintains stability even as barrel temperature rises through multiple magazine strings in the compact 7.5 inch length. The additional mass also aids in recoil management and reduces muzzle rise between shots. Phosphate finish offers reliable corrosion protection through a proven coating used across military and commercial firearms.
The 7 inch M-Lok handguard made from 6061-T6 aluminum allows customizable accessory mounting without additional rail sections adding weight or bulk. M-Lok slots provide direct mounting for lights, grips and other devices based on specific use requirements. Black finish coordinates with the upper receiver for consistent appearance. The handguard length covers most of the compact barrel while leaving muzzle device access clear for installation and maintenance.
The upper receiver machined from 7075-T6 aluminum provides superior strength to weight ratio compared to 6061 alternatives. This aerospace grade material withstands the stresses of 9MM blowback operation while keeping reciprocating mass minimal. Anodized finish offers corrosion resistance and wear resistance through extended use. The material choice ensures the upper maintains dimensional stability and proper component interface through thousands of rounds.
The 7.5 inch barrel length provides extremely compact overall dimensions ideal for close quarters applications, vehicle use and confined spaces. The 1 in 10 twist rate stabilizes the full range of common 9MM bullet weights without overstabilization concerns. Threaded 1/2x36 to match 9MM muzzle device standards with included flash hider for basic flash suppression. Compact length also reduces overall upper weight for comfortable extended handling and rapid transitions.
Follow safe handling and manufacturer instructions
Ensure compliance with all applicable laws
BCG and charging handle not included in this kit
Verify 9MM lower receiver compatibility before assembly
Caliber: 9mm (9x19)
Barrel: "Akali" AR-15 7.5" 9MM, HBAR
Barrel Length: 7.5-inch
Barrel Material: 4150 CrMoV
Barrel Thread Pitch: 1/2x36
Barrel Finish: Phosphate
Barrel Profile: HBAR
Barrel Twist Rate: 1:10
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard: AR-15 7-inch M-Lok Handguard, Black
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Muzzle Device: 9mm Flash Hider A2 Birdcage
Muzzle Thread Pitch: 1/2x36
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