The CZ models don’t seem to fall into that requirement. Old civilian Colts were made to GOV specs right alongside the models for the GOV contracts. The M4 Tactical comes standard with a Picatinny rail and pistol-grip stock. The parts are not all exactly mil-spec like the old stuff, though, as Colt has lost the majority of their GOV contracts and they now don’t need to follow those specifications as closely now. AR15 AR-15 16 m4 rifle kit includes upper receiver, barrel, handguards. The same Colt factory is making these as the old stuff, but QC protocol seems to be better under CZs management. I’ve found that the new Colt/CZ models have pros and cons compared to the original Colt models.
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Though the FN will probably have a better finish, better barrel that is 14.7” pin/weld, and retain its value better over time. Gen 2 Enhanced Handguard Features: One piece free floating design Anti-rotation tabs built into the handguard Scalloped rails Continuous top rail 1.72. That said, this is in-line price-wise to the FN military collectors M4, which is comparable in features and function. It also DOES have the KAC rail, not a Troy rail. The Aero Precision AR-15 Enhanced Quad Rail 9 Handguard Gen 2 FDE provide a lightweight free float design for your AR15 build. Machined to mil- spec dimensions and engineered to perfection, these handguards eliminate bulk while retaining strength and stability. The EQ system features x4 1913 picatinny rails for advanced modularity and customization. It is a Colt, but it’s not actually the SOCOM model (14.7” barrel) OR the monolithic model (6940). Our Enhanced Quad Rail (EQ) Handguards provide a lightweight free float design for your custom AR15 build.