
New Frontier Armory has pushed into their second generation of upper and lower receivers in the G-4 billet AR-15 pattern.
Specifications and Features of the G-4 Stripped AR-15 Lower Receiver (Gen 2):
– Model: G-4
– Type: AR-15 Stripped Lower Receiver — Milled from 7075 T6 aircraft grade aluminum billet
– Caliber: Multi (will accept any upper and/or caliber designed for the AR-15 platform)
– Magazine: Accepts any standard MILSPEC AR-15 magazine
– Weight: TBD oz
– Machined from 7075-T6 aircraft grade billet aluminum
– Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
– Precision broached magazine well with beveled feed lips
– Machined to be compatible with 45 and 60 degree short throw fire control selectors such as the BAD_ASS ST 45 Lever
– Machined to be compatible with most ambi bolt releases
– Caliber marking of “Multi” so it can be used with many different caliber uppers
– Compatible with all standard AR-15 components and magazines and most aftermarket parts
– Take down pin spring and detent hole is threaded for a 6-32 set screw for easy capturing (hardware included)
– Upper tension screw behind grip screw (threaded hole with hardware included) to adjust any “slop” out of vertical fit between upper and lower
– Contoured trigger finger rests on each side of the magwell
– Compatible with Norgon and other aftermarket ambidextrous mag releases
– Threaded bolt catch pin (Threaded hole and hardware)
– Integrated large opening “winter” trigger guard
– Manufactured to MILSPEC on state of the art CNC equipment for consistent quality parts and exacting tolerances
– Save money by building your own AR-15 rifle from the ground up exactly the way you want it configured
Specifications and Features of the G-4 Billet “Slick Side” (Gen 2) Upper Receiver:
– Model: G-4 Billet “Slick Side” (Gen 2) Upper Receiver
– Caliber: Multi
– Weight: TBD oz
– Machined from 7075 T6 aircraft grade billet aluminum
– Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
– Compatible with all standard AR-15 components and most aftermarket parts
– Manufactured to MILSPEC on state of the art CNC equipment for consistent quality parts and exacting tolerances
– Save money by building your own rifle from the ground up exactly the way you want it configured
– Designed to match lines with New Frontier Armory Billet Lower
To learn more about New Frontier Armory and the G-4 Billet uppers and lowers. CLICK HERE


