Spike's Tactical .300 BLK Complete Upper with Front Sight Base - 16" - STU3025-M4S

The growing popularity of 300 BLK cannot be understated. The Spike’s Tactical 16″ 300 Blackout Complete Upper offers the same level of quality and performance available in all their rifles. Spike’s Tactical maintains a high standard of tolerances and attention to detail in the uppers they use for complete rifle builds. Every complete upper is test fired before leaving their facility and is backed by the Spike’s Tactical lifetime warranty.

Features:

• 300 BLK 16″ chrome lined, cold hammer forged barrel with phosphate coating.
• 5/8×24 thread pitch with 1:7 twist rate.
• Carbine length gas system.
• 7075-T6 forged aluminum upper receiver.
• Laser etched with the Spike’s Spider logo.
• Forward assist and ejection port door assembly.
• M4 feed ramps.
• Pinned A2 front sight base.
• M4, double heat shield handguard.
• Standard charging handle.
• Phosphate coated, M16 cut, complete bolt carrier group.
• BCG high pressure tested and magnetic particle inspected.
• A2 flash hider.
• Weight: 4 lbs 5 oz.