RIFLE: NOVESKE RIFLEWORKS MODEL N4, SERIAL NUMBER B16260, BLACK (MATTE), NOT INCLUDED, 16, 5.56MM, SEMI - AUTOMATIC Notes: This is a genuinely unique pairing - a precision-machined Noveske N4 Billet lower mated to a Sig Sauer 516 piston upper, combining Noveske's renowned craftsmanship with the reliability and heat-mitigation advantages of a short-stroke piston system. Topped with an AAC 3-Prong flash hider and a CMC flat-faced 3.5lb trigger, this is a suppressor-ready, purpose-built carbine in excellent condition with virtually no signs of use. Type: Semi-Automatic Rifle (AR-Platform, Piston-Driven) Manufacturer: Noveske (Lower) / Sig Sauer (Upper) Model: Noveske N4 Billet Lower / Sig Sauer 516 Piston Upper Caliber: 5.56mm NATO / .223 Rem Barrel Length: 14.5" Pinned & Welded w/ AAC 3-Prong Flash Hider Finish: Black / Hard Anodized Aluminum Grip/Furniture Material: Polymer - BCM Gunfighter Magazine Capacity: 30+1 Action: Semi-Automatic, Short-Stroke Piston Trigger: CMC Flat-Faced 3.5lb Drop-In Condition: Used - Excellent | Very minimal signs of use; no scratches or visible markings, finish uniform and intact throughout Includes: Firearm only