The M4E1 Pro Series Lower Build Kit featuring the Davidson Defense “Sundance” Drop-In Trigger is the perfect fusion of precision, durability, and style for your next AR-15 build. Crafted from rugged 7075-T6 aluminum with a sleek Type III hardcoat anodized black finish, the M4E1 PRO lower offers rock-solid reliability and full compatibility with standard AR-15 parts and magazines.
The “Sundance” trigger delivers a crisp 3.5 lb pull with minimal reset, giving you faster shots and tighter groups, all in a bold red and black straight-blade design. Easy to install and proudly made in the USA, this kit is built for shooters who want performance that stands out and parts that won’t back down.
Lower Receiver Model: M4E1 PRO
Receiver Material: 7075-T6 Aluminum, Type III Hardcoat Anodized (Black)
Platform: AR-15
Compatibility: Works with standard AR-15 components and magazines
Country of Origin: USA
FFL Required: Yes
Trigger Model: “Sundance” Ultra Match Drop-In Trigger
Trigger Brand: Davidson Defense
Trigger Pull Weight: 3.5 lbs
Trigger Style: Straight
Trigger Color: Red / Black
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