San Tan Tactical STT-15 Lite Pillar Upper Receiver 5.56 NATO Black Anodized

STT-15 Lite Pillar Upper Receiver Features Made in the USA San Tan Tactical PILLAR Truss Pockets for increased structural rigidity. It is cut from a single billet Of 7075 -T651 aluminum with a shell deflector machined in T markings M4 Feed Ramps and is machined to Mil-Spec standards. The upper is able to interface with all AR15/M16/M4 weapons systems and accessories. It is also compatible with all known battery assist levers. The STT-15 Lite Pillar does not include port door assembly. STT-15 Lite Pillar Upper Receiver Specifications Model: STT-15 Series: Lite Pillar Sights: None Optic Ready Receiver Finish: Black Anodized Receiver Material: 7075 T6 Aluminum