Shield Arms SA-15 Stripped Folding Lower Receiver 5.56/300 Folding Billet Black

Stripped AR15 billet lower receiver built on the Shield Arms folding lower receiver.

Features:

• Built-in folding mechanism for compact storage – NOT AN ADAPTER
• Machined from 7075-T6 aircraft grade billet aluminum
• Ships with an h2 weight proprietary buffer
• Threaded buffer retainer pin (Blue Vibra-Tite provided)
• Accepts standard AR-15 magazines
• Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
• Precision machined magazine well with beveled feed lip for easy mag changes
• Caliber marking of “MULTI”
• Compatible with most standard AR-15 components  and most aftermarket parts
• Upper tension screw behind grip screw (threaded hole with hardware included) to adjust any “slop” out of vertical fit between upper and lower
• Threaded bolt catch pin (Blue Vibra-Tite provided)
• Weight: 12.4 oz
• Overall length when folded: 7.75"