The most versatile M-15 Rifle Model Available. When the rifle application calls for compact over-all length without sacrificing close quarters accuracy and platform flexibility for sight selections, the ArmaLite M-15A4 SPR Carbine is the Special Purpose Rifle model to fulfill the requirements.The ArmaLite designed mid-length handguard and gas tube technology provides an optimal gas pulse to power the 16" system so reliablity is never an issue.
