Davidson Defense Watchtower 18-inch Rifle-Gas 1:8 6.5 Creedmoor AR-10 M-Lok Rifle Upper Build Kit, Plan B Muzzle Device Trident Flash Hider

Watchtower 18-inch 6.5 Creedmoor AR-10 Upper Build Kit w/Plan B Trident Flash Hider

The Watchtower is built around an 18-inch HBAR 6.5 Creedmoor barrel with straight flutes, finished in Melonite, paired with an LR-308 billet upper receiver machined to the DPMS low-profile pattern and finished in Type III black hardcoat anodizing. It pairs a Swift Series 17-inch low-profile free-float M-LOK handguard with a Delta Team Tactical Plan B Trident flash hider at the muzzle, running on a rifle-length gas system. BCG and charging handle are not included, leaving the buyer to supply those components separately.

Key Features

• 18-inch HBAR 6.5 Creedmoor barrel, 1:8 twist, straight flutes, Melonite finish
• Rifle-length gas system with .936-inch adjustable low-profile gas block, Melonite finish
• LR-308 billet upper receiver, DPMS low-profile pattern, Type III black hardcoat anodized, no forward assist
• Swift Series 17-inch low-profile free-float M-LOK handguard, black
• Delta Team Tactical Plan B Trident flash hider, 17-4 H1150 stainless steel, nitride finish, Plan B suppressor mount interface
• BCG and charging handle are not included.

Barrel and Gas System

The barrel runs 18 inches long, chambered in 6.5 Creedmoor with an HBAR profile, cut with straight flutes and finished in Melonite. It carries a 1:8 twist rate and a 5/8x24 muzzle thread. Gas cycles back to the action through a rifle-length system, running a stainless steel rifle-length gas tube and a standard low-profile adjustable gas block sized to a .936-inch diameter and finished in Melonite.

Upper Receiver and Handguard

The upper receiver is an LR-308 billet unit, machined to the DPMS low-profile pattern and finished in Type III black hardcoat anodizing, built without a forward assist. The ejection port door comes included and assembled. Over the barrel sits a Swift Series 17-inch handguard finished in black, free-floated in a low-profile design using an M-LOK attachment system along its length.

Muzzle Device

Capping the muzzle is a Delta Team Tactical Plan B Trident flash hider, machined from 17-4 stainless steel, heat-treated to the H1150 condition and finished in black nitride, built in a three-prong design with a Plan B-style suppressor mounting interface. It threads onto the barrel's 5/8x24 pattern.

Follow all manufacturer instructions and safe handling practices.

Ensure compliance with all applicable federal, state, and local laws.

BCG and charging handle are not included.