Some features of the LANTAC LA-SF15 forged lower receiver:

• Has a spot face cut to the take down area allowing easier removal of the rear pin.
• The magwell is internally flared allowing for faster and more accurate seating of the magazine during high stress reloads.
• The USR (Upper Standard Receiver) receiver features a raised pad behind the front lug to facilitate a tighter receiver fit.
• Radiused Cam Pin recess for reduced cam pin ravel wear.
• Bore, threads, Picatinny rail & front receiver face are all machined in one operation meaning that the highest concentricity and perpendicularity are maintained.
• The barrel extension area is deliberately undersized for better barrel fit and accuracy.
• M4 feed ramp cuts as standard.

Manufactured in the USA from certified aluminum alloy.