6.5 Grendel 18" Upper – Alexander Arms Barrel | Premium Precision. Long-Range Performance.

$695.00 - $874.00
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SKU:
UR-APAA6518SSF
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Built for shooters who demand match-grade accuracy and dependable long-range performance, this 6.5 Grendel 18" Upper featuring an Alexander Arms barrel delivers exceptional consistency, velocity, and control. The 416R stainless steel fluted barrel with a 1:7.5 button-rifled twist is engineered for precision and optimized for modern Grendel loads.

The CMMG adjustable mid-length gas system ensures smooth recoil and reliable cycling across ammo types, while the Aero Precision M4E1 upper receiver provides a rock-solid foundation. Paired with an Odin Works Regna 15" M-LOK handguard and Patriot Arms tactical muzzle brake, this upper is built to stay flat, shoot clean, and perform at distance.

Performance Highlights:

6.5 Grendel Chambering (Alexander Arms Barrel) – proven long-range performance
18" 416R Stainless Fluted Barrel – precision, cooling, and weight reduction
1:7.5 Button-Rifled Twist – optimized for Grendel projectile stability
CMMG Adjustable Mid-Length Gas System – smooth recoil & tunable cycling
Aero Precision M4E1 Upper Receiver – enhanced strength & fit
Odin Works Regna 15" M-LOK Handguard – rigid free-float accuracy platform
Patriot Arms Tactical Muzzle Brake – reduced recoil, faster follow-ups

Why This Upper Delivers:

Match-grade accuracy with premium barrel system
Smooth, controllable recoil for better shot placement
Excellent long-range consistency and stability
Built with trusted premium components throughout