Yankee Hill Machine Co – Model-57 Specter XL – 5.56mm NATO – 16″ Fluted Barrel


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  • 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


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.

Additional information

FFL Requirements and Terms

<p>All NFA Rules Apply.<br>
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s