Continuing to expand the ZION family of rifles at IWI US, this 18a ^2 Special Purpose Rifle (SPR) pays tribute to the MK12 with a modern day update which includes a 17a ^2 Free Float Handguard with integrated ARCA Rail, steel barrel nut, a B5 Systems Stock, and Grip, IWI 2-Stage Precision Match Trigger, and includes one (1) 30 round Magpul PMAG.