The Seekins Precision 0011100121-F SP10 308 Win Complete Upper is built around the SP10 platform and chambered in proven .308 Winchester. Featuring a 22" barrel paired with the SP3R M-Lok handguard in flat dark earth, this upper offers a rigid, free-floated foundation designed to enhance accuracy and consistency for serious shooters.

This SP10 upper is ideal for building or upgrading a precision-oriented .308 rifle for range work, training, or hunting where reliable performance and repeatable hits matter. The long 22" barrel helps maximize ballistic efficiency, while the flat-bottom SP3R handguard supports stable shooting from rests or barricades and allows easy accessory mounting via the M-Lok interface. Backed by Seekins Precision’s reputation for meticulous machining and thoughtful design, this upper receiver assembly is a refined choice for demanding rifle builds.

Key Features:

• Manufacturer: Seekins Precision
• Model: SP10
• Caliber: 308 Win
• Barrel Length: 22"
• Color: Flat Dark Earth (FDE)
• Category: Complete Upper Receivers
• Twist: 1:8"
• Weight: 10.50 lbs