- VERY GOOD CONDITION - NO BOX - SEVEN 30-ROUND MAGAZINE'S INCLUDED - WEAPON TYPE: SEMI-AUTOMATIC BULLPUP RIFLE - ACTION: SEMI-AUTOMATIC, SHORT-STROKE GAS PISTON OPERATED, ROTATING BOLT - CALIBER: 5.56 NATO/.223 REM - BARREL LENGTH: 16 IN - OVERALL LENGTH: 27 IN - RECEIVER MATERIAL: INVESTMENT-CAST 7075-T6 AIRCRAFT-GRADE ALUMINUM - STOCK MATERIAL: HIGH-STRENGTH TEXTURED POLYMER - FEED SYSTEM: PROPRIETARY MSAR TRANSLUCENT POLYMER MAGAZINE'S - QUICK-CHANGE BARREL: FEATURES A CHROME-LINED, HAMMER-FORGED, SLIGHTLY FLUTED BARREL SYSTEM THAT CAN BE SWAPPED OUT IN SECONDS VIA A QUICK DETACH BUTTON. - AR-15 UPGRADES: UNLIKE THE ORIGINAL STEYR AUG, MSAR ADDED AN AR-15 STYLE MANUAL FORWARD ASSIST AND A BOLT-CATCH RELEASE BUTTON ON THE LEFT SIDE OF THE STOCK - GAS REGULATOR: FEATURES A TWO-POSITION ADJUSTABLE GAS SYSTEM TO ACCOMMODATE HEAVY FOULING OR SUPPRESSED USE. - THE MSAR STG-556 IS AN AMERICAN-MADE, BULLPUP SEMI-AUTOMATIC RIFLE MANUFACTURED BY MICROTECH SMALL ARMS RESEARCH (MSAR). IT WAS DESIGNED AS AN UPDATED CLONE OF THE ICONIC AUSTRIAN STEYR AUG.