The AR-10 went into the Ordnance Corps scrap heap, a victim of poor politics. Search ' ' across the entire site Search ' ' in this forum Search ' ' in this discussion Advanced Search I asked to see it. Okay guys, I have run into a DPMS MOD:A-15 serial number SN:2xx. From Bushmaster with serial #0327XX - ALWAYS CALL TO VERIFY. BOOK NOW Armalite has designed and developed a wide variety of AR-10®, M-15™, and bolt action rifles to meet the needs of shooters around the world. Re: Armalite AR 10 accuracy The Gen II mags are absolutely THE way to go. ArmaLite, or Armalite, is an American small arms engineering company founded in the mid 1950s in Hollywood, California.It ceased business in the 1980s. All new Armalite Rifles now come with the M-LOK handrail.