Patented SA-15 Stripped Folding Lower Receiver. No adapter required - revolutionary folding mechanism built into the receiver. 7075-T6 billet aluminum construction. Build your custom folding AR-15 rifle or pistol. Made in USA with lifetime warranty.
Shield Arms' patented folding lower receiver with integrated folding mechanism - NO ADAPTER required. Unlike traditional folding adapters, the folding mechanism is built directly into the billet aluminum receiver for a lighter, stronger, more reliable design. Perfect for building custom folding AR-15 rifles and pistols.
Key Innovation: No folding adapter needed - mechanism integrated into receiver
Construction: 7075-T6 billet aluminum - stronger than forged
Use: Build custom folding AR-15 rifles or pistols (5.56, .300 BLK, 9mm, etc.)
The Shield Arms SA-15 Stripped Folding Lower Receiver represents a revolutionary advancement in AR-15 design. Unlike traditional folding AR-15s that require bulky, heavy folding adapters installed between the upper and lower receivers, the SA-15 features a patented folding mechanism integrated directly into the lower receiver.
This innovative design eliminates the need for separate folding adapters, resulting in a lighter, stronger, more compact folding rifle or pistol. The SA-15 is a complete mil-spec lower receiver that accepts all standard AR-15 parts, while providing true folding capability for compact storage and transport.
Build your dream folding AR-15 with complete freedom to choose your upper receiver, barrel length, caliber, furniture, and accessories. Compatible with 5.56 NATO, .300 Blackout, 9mm, and other AR-15 calibers.
Patented Integrated Folding Mechanism
No adapter required - folding mechanism built into the receiver itself
Lighter weight - eliminates heavy folding adapter (typically .5 lbs or more)
Stronger design - fewer points of failure than adapter systems
Compact folding - folds tighter than adapter-based systems
Reduced complexity - simpler build process, fewer parts
Improved balance - weight distributed optimally without adapter
Premium Construction
7075-T6 billet aluminum - aerospace-grade material, stronger than forged receivers
Precision CNC machined - tight tolerances for perfect fit and function
Mil-spec dimensions - accepts all standard AR-15 parts and components
Flared magazine well - faster, easier reloads
Integral trigger guard - streamlined appearance, enhanced strength
Made in USA - precision manufactured in Bigfork, Montana
Shield Arms' patented folding lower receiver with integrated folding mechanism - NO ADAPTER required. Unlike traditional folding adapters, the folding mechanism is built directly into the billet aluminum receiver for a lighter, stronger, more reliable design. Perfect for building custom folding AR-15 rifles and pistols.
Key Innovation: No folding adapter needed - mechanism integrated into receiver
Construction: 7075-T6 billet aluminum - stronger than forged
Use: Build custom folding AR-15 rifles or pistols (5.56, .300 BLK, 9mm, etc.)
The Shield Arms SA-15 Stripped Folding Lower Receiver represents a revolutionary advancement in AR-15 design. Unlike traditional folding AR-15s that require bulky, heavy folding adapters installed between the upper and lower receivers, the SA-15 features a patented folding mechanism integrated directly into the lower receiver.
This innovative design eliminates the need for separate folding adapters, resulting in a lighter, stronger, more compact folding rifle or pistol. The SA-15 is a complete mil-spec lower receiver that accepts all standard AR-15 parts, while providing true folding capability for compact storage and transport.
Build your dream folding AR-15 with complete freedom to choose your upper receiver, barrel length, caliber, furniture, and accessories. Compatible with 5.56 NATO, .300 Blackout, 9mm, and other AR-15 calibers.
Patented Integrated Folding Mechanism
No adapter required - folding mechanism built into the receiver itself
Lighter weight - eliminates heavy folding adapter (typically .5 lbs or more)
Stronger design - fewer points of failure than adapter systems
Compact folding - folds tighter than adapter-based systems
Reduced complexity - simpler build process, fewer parts
Improved balance - weight distributed optimally without adapter
Premium Construction
7075-T6 billet aluminum - aerospace-grade material, stronger than forged receivers
Precision CNC machined - tight tolerances for perfect fit and function
Mil-spec dimensions - accepts all standard AR-15 parts and components
Flared magazine well - faster, easier reloads
Integral trigger guard - streamlined appearance, enhanced strength
Made in USA - precision manufactured in Bigfork, Montana
- Action : Semi-automatic
- Barrel Length : N/A
- Color : Black
- Capacity : N/A
- Caliber : 223 Remington
- Caliber : 556NATO
- Manufacturer Part # : SA-15-SLU
- Model : SA-15
- Subcategory : Lower Receivers
- Type : Stripped Lower Receiver
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