This is a Yankee Hill Machine Co AR known as the Specter chambered in 223 Remington, model YHM-MODEL-57XL-7.
This rifle has been built on the YHM Billet Upper and Lower Receivers. The SLR Slant Handguard has been redesigned and now incorporates a KeyMod mounting platform and comes with the iconic Slant Brake/comp. The rifle is shipped in a hard plastic case and comes with a high capacity magazine" a front sight adjustment tool" user manual and a cable lock.
Features:
BILLET 7075-T6 Aluminum YHM Lower Receiver
BILLET 7075-T6 Aluminum YHM Flat Top Upper Receiver
T Marked Upper Receiver with M4 Feed Ramps
16 4140 Steel Barrel, Heat Treated to RC 25-32;Fluting Style Exclusive to the Model-57;2 Stage Geissele, 5 Lb. Trigger;Includes Tactical Charging Handle Latch;YHM Slant Brake (YHM-26-MB-A);S.L.R. Slant handguard, Rifle Length (YHM-5155);Q.D.S. Sight System, hooded (YHM-5040-H);Magpul MOE Pistol Grip;Two Gen. 2 Windowless PMAGS;Adjustable Magpul CTR Buttstock;Forward Assist;Direct Impingement, Carbine Length Gas System;Total Weight: 7.45 Pounds