The Seekins Precision 0011100117-F SP10 308 Win complete upper delivers a refined .308/7.62x51mm shooting experience in a lightweight, extended-length package. Built around a 16" barrel, this SP10 upper features a sleek flat dark earth finish on the receiver and handguard, paired with a black barrel for a clean, modern look. Precision machining and a ventilated handguard help manage heat and maintain rigidity for consistent performance.

This SP10 upper is well suited for building a versatile rifle for range use, training, or hunting where the .308 Winchester cartridge’s capability can be fully utilized. The 1:8" twist rate supports a broad range of bullet weights, making it adaptable to different loads and applications. Combined with Seekins Precision’s reputation for careful craftsmanship and attention to detail, this upper is an excellent foundation for a reliable, accurate large-frame AR build.

Key Features:

• Manufacturer: Seekins Precision
• Model: SP10 Complete Upper
• Caliber: .308 Winchester / 7.62x51mm
• Action: 308 Win Upper Receiver
• Barrel Length: 16"
• Twist: 1:8"
• Color: Flat Dark Earth Upper And Handguard With Black Barrel
• Weight: 7.3 lbs
• Length: 36.5"
• Width: 18.4"
• Height: 4.3"