Gun Review: StarLos Firearms SLF-15 Polymer Lower Receiver

Polymer AR-15 lower receivers offer light weight, surprisingly high strength and, most importantly, very low cost. Historically they’ve been a bit of a mixed bag in the quality department, mostly due to fit issues caused by molding imperfections. StarLos Firearms has set out to improve on past offerings from other manufacturers by improving the polymer and […]

Gun Review: New Frontier Armory LW-15 (Polymer AR Lower Receiver)

7075-T6 aluminum has had a pretty good run as the materiel of choice for AR lower receivers, but it’s no longer the only game in town. Taking advantage of the lower weight and manufacturing costs of space-age polymers, New Frontier Armory sells an all-polymer AR-15 lower receiver with a price so low ($109 complete) that […]