Precision/precision tests of this barrel was executed following a two hundred spherical break-in period. All taking pictures was performed from my bench-relaxation set-up pursuing my typical protocol. Heatshields In Handguard – You will discover heatshields on the inside on the handguard to guard the user during extended lengths of firing https://m4-ras-handguard15913.bloggosite.com/36060292/the-definitive-guide-to-ras-m4