The Armalite M15 Tactical Rifle features a 14.5a ^2 barrel at the heart of its design, the M15TAC14 blends rugged durability with exacting precision. The tactical handguard's slim, octagonal profile sports a full-length MIL-STD 1913 12 o'clock rail for sights and accessories. The adjustable gas block allows the user to tune the rifle for their preferred ammunition and/or suppressor use. Like all tactical series rifles, it comes standard with Magpul MBUS flip-up sights. The dual-purpose flash hiding compensator tames recoil while reducing signature, and is pinned and welded to create an overall barrel length of 16a ^2.