The older L series are still being produced at the original facility. Serial Numbers � The Difference Between AR 15 Uppers and Lowers For those of you who are new to the world of AR 15s, let�s go back to basics. : Table Of Contents Apply the decal in the location shown. (L159XXX) much more Desirable than the Non MilSpec NY built version assembled by Remington. (or whoever owns them today) This came off of a BushMaster XM15 E2S that was made in Windham ME with the Lower Receiver Serial Number starting with the letter L.

Ruger does not necessarily produce firearms in serial number order. 223/5.56) with the xm15-e2s model designation. a friend of mine just sold me a Bushmaster lower (marked. 2014: Families of Sandy Hook victims sue Bushmaster and a gun shop over the shootings, claiming the rifle used by Adam Lanza should not have been sold to civilians, according to a news story on the � Need a little help. Bushmaster Xm15-e2s Bfi Serial Number Lookup. The new serial numbers were produced last fall at the new production facility. Something set me off with the logo and serial # on the pictures.