DOC GEN2 Complete Lower


The Mitchell Defense Gen 2 Billet Lower Receiver, meticulously engineered for peak performance and durability. Crafted from solid 7075 T6 aluminum, this lower receiver boasts a robust construction that ensures reliability under any conditions.

In stock

Category: SKU: 40007


Precision Billet Design:

Machined from a single block of 7075 T6 aluminum, our Gen 2 Billet Lower Receiver features a solid trigger guard and cut-out shelf, providing enhanced strength and stability.

Enhanced Functionality:

Equipped with a right-side bolt release and a flared mag well, this lower receiver facilitates faster reloads, especially in high-stress situations. Comes with ambi radian safety selector.

Innovative Buffer Tube Features:

The enhanced buffer tube boasts strategically positioned drain holes, allowing for easy water removal in maritime environments and ensuring smoother cycling of the BCG (Bolt Carrier Group). Additionally, the carrier support extension guides the BCG into the extension, preventing carrier tilt and excessive wear while holding the buffer pin securely in place, even under recoil.

Optimized Buffer System:

Paired with an MD H1 buffer and propriety flat wire buffer spring, this lower receiver delivers a quiet operation by eliminating “twang” noise. The increased forward pressure enhances reliability, ensuring consistent performance with every shot.

Premium Trigger Upgrade:

Featuring a Geissele 2-stage SSA trigger, this trigger offers exceptional trigger control and crisp, clean breaks for improved accuracy and shooting experience.

Comfortable and Adjustable Stock:

Finished with a B5 Systems Bravo stock, this lower receiver provides both comfort and adjustability, allowing you to customize your rifle to your preferred length of pull.

Proudly American Made:

As with all Mitchell Defense products, our Gen 2 Billet Lower Receiver is proudly made in America, adhering to the highest standards of quality and craftsmanship. Trust in Mitchell Defense to provide you with a lower receiver that exceeds expectations and delivers unmatched performance for your AR build.


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