One of approximately 900 manufactured and registered with the BATFE in the early 1980s, these S.W.D. Inc. Auto Connectors were, and still are, one of the most cost effective ways to make an AR-15 platform rifle fully automatic. This example is marked "S.W.D. ATL. GA. M.15A.C./PAT. PEND." followed by the hand marked serial number "AC170". With an extra bolt contact arm and other small parts.

Very fine, retains most of the original matte grey finish. While the component is of a "drop in" nature, quality of function is not guaranteed, adjustments may be necessary. NOTE: This weapon is a National Firearms Act (NFA), fully transferable Class 3, which is registered with the Bureau of Alcohol, Tobacco, Firearms and Explosives, (BATFE) under the provisions of 18 U.S.C. Chapter 44 and 27 CFR part 478.