Shields Arms SA-9 Gen 2 Folding Lower Receiver

Shields Arms SA-9 Gen 2 Folding Lower Receiver

The SA-9 Gen 2 represents a significant advancement in modular rifle design. This stripped lower receiver is machined from aircraft-grade 7075-T6 billet aluminum and features Shields Arms' proprietary folding mechanism integrated directly into the receiver itself—not bolted on as an adapter.

Key Features

Construction & Durability

• 7075-T6 billet aluminum provides exceptional strength-to-weight ratio
• Mil-Spec hard anodizing (Type 3 Class 2) delivers a durable matte black finish
• Integrated folding mechanism maximizes structural integrity

Magazine Compatibility

• Accepts all Glock double-stack 9mm magazines (G17, G19, G34, and aftermarket extended options)
• Precision beveled magazine well ensures fast, fumble-free reloads
• Integrated last-round bolt hold open for reliable operation

Tuning & Customization

• Proprietary 7.0 oz stainless steel buffer with configurable steel weight for fine-tuning your platform
• Threaded buffer retaining pin for secure retention and easy disassembly
• Compatible with both 45° and 60° short-throw fire control selectors

What's Included

This is a stripped lower receiver shipped loose with owner's manual and Shields Arms sticker. You'll need to source your own fire control group, buffer system components, and stock assembly to complete your build.

The SA-9 Gen 2 is ideal for builders seeking a compact, modular 9mm platform with proven reliability and innovative engineering.