The Battle Arms Development VERT Stock system brings a lot to the table in a fairly lightweight package. The VERT System weighs in at only 19 ounces, including the proprietary ultra-compact buffer and spring system that make it a complete drop-in package for the AR-15 platform. FeaturesM16 BCG Compatible! No Proprietary Bolt Carrier Group Required!Continuous Cheek Rest for Stable ShootingPatented Ultra Compact Buffer & Buffer Spring(3) Three User Adjustable Stock Extension Options(2) Position Quick Release (Straight Pull to Open & Depress Latch to Close)(2) Position Lock (Depress Latch to Open & Close(5) Position Lock (Depress Latch to Each of the 5 Positions) (2) QD Sling Swivel Points on Butt PlateHigh Impact Resistant S7 Tool Steel Guide Rods Intelligent Guide Rod Lock Design Lightweight 19 Ounces (Complete Stock System with Buffer & Springs)Billet 7075T6 Aluminum CNC Machined Butt Stock & Stock Housing for Ultimate DurabilityMilSpec Type III Class 2 Hard Anodized Black Finishe...