A Tale of 4 Piston Rifles
This expert analysis, drawing on high-round-count testing and adverse condition evaluations, compares four piston-driven AR-15 platforms: PSA Jakl, FM-15, BRN-180, and PWS MK109. The speaker, with high authority, details their performance, focusing on reliability, weight, gas system adjustability, and suitability for suppressed shooting and night vision integration. The PWS MK109 is favored for overall robust performance, while the BRN-180 is noted for its lightweight design.













