New for 2018 is 2A Armaments AR 22LR product line. These 22LR AR's provide the shooter same high-quality standards synonymous with 2A. Weighing in at only 3 lbs 10oz these rifles feature our patent pending ultralight 22LR bolt a choice of Aethon or Balios lite lower receiver and a host of other components listed below. At 2A we set out to deliver reliable lightweight rifles with our own innovative components to provide our customers with the best possible experience. We encourage you to read through the features below to understand the 2A Armament difference. - 2A AETHON or BALIOS LITE GEN 2 LOWER RECEIVER: CNC machined 7075-T6 billet with flared mag-well hard coat type-III anodized rear tensioning screw rear takedown spring retainer. - 2A BALIOS LITE GEN 2 UPPER RECEIVER: CNC machined 7075-T6 billet slick side design machined indexing marks. - 2A 22LR BOLT: Grade 5 6AL-4V Titanium Bolt Stainless Steel Barrel Collar High-Quality Polymer buffer (Patent Pending). - 2A 22LR FLUTED BARREL: 16.5 7075-T6 Billet aluminum barrel rifled 4140 steel insert1:16 Twist1/2x28 thread with thread protector. - 2A RECEIVER EXTENSION: 2A Armament buffer tube and 2A latch plate - 2A HANDGUARD: 2A Armament 12 6061 extruded Aethon or BL G2 rail (depending on the lower ordered) M-LOK aluminum barrel nut. - CHARGING HANDLE: BCM-mod4 - STOCK/GRIP - MAGPUL MIAD Grip Mission First minimalist stock. - LOWER PARTS: 2A magazine catch 2A through drilled titanium takedown pins - TRIGGER: ALG-ACT trigger group with optional light or heavy hammer spring. - WEIGHT: 3 lbs 10 oz (Balios-lite lower/rail) 3 lbs 11 oz (Aethon lower/rail) - Ships with one 15 Round 2A Armament AR 22LR Magazine and die-cut foam box - Product of the Great State of Idaho MADE IN THE U.S.A.