PSA 18" Rifle-Length 6.5 Grendel 1/8 Stainless Steel 15" Lightweight M-LOK Strike Eagle Upper - With BCG & CH -

Barrel: 416R Stainless steel. Chambered in 6.5 Grendel, with a 1:8 twist, M4 barrel extension, and a rifle-length gas system. The barrel is finished off with a PSA 15" Lightweight M-Lok free float rail, .750 adjustable gas block, and A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. These uppers are made for us right here in the USA by a mil-spec manufacturer.
Bolt: Full-auto profile bolt carrier group. 9310 steel bolt, Shot Peened, Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier is nitride treated.
Vortex Strike Eagle 1-8x24mm AR-BDC2 Reticle: 
Optimize the versatility, functionality and quick-handling attributes of your AR-15 with the Strike Eagle 1-8x24. A true 1X on the low end of its 8X zoom range, the Strike Eagle 1-8x24 intrinsically adapts to a wide range of scenarios, letting shooters engage targets from point-blank out to extended ranges. Home defense, competition, recreational shooting, feral hog “removal” and any task between, this scope is up for whatever you want to throw at it.
High quality, fully multi-coated lenses serve up a sharp image, impressive sight picture, and optimal low-light performance. The illuminated, glass-etched BDC reticle subtends with popular .556 cartridges. Center target dot with surrounding halo promotes instinctually fast target acquisition and shot execution. Take the performance of your AR to new heights with the Strike Eagle 1-8x24.