Features:Premier components for quick-handling improved accuracy and performance comparable to custom AR builds costing much more. At just over 6 lbs. the Edge is one of the lightest AR-15s on the market featuring a patent-pending free float handguard and billet receiver with lightening cuts for effortless operation. An SA proprietary muzzle brake virtually eliminates recoil while the Melonite-treated trigger allows for a crisp trigger press with no creep. The Accu-Tite(TM) tension system ensures a tight fit with no rattle between the upper and lower receivers paired with a premium M16 BCG that has been shot peened and MPI tested for reliability. Adjustable pinned gas block 1:8 twist flared mag well metal flip-up sights and Bravo Company furniture.Specifications: CALIBER: 5.56x45mm NATO (.223REM) LENGTH: 35.75" Fully Extended / 32.5" Collapsed WEIGHT: 6 lbs 3 oz UPPER RECEIVER: Forged Type III Hard Coat Anodized Aircraft Grade 7075 T6 Aluminum Flat Top w/ Forward Assist & M4 Feed Ramps LOWER RECEIVER: SA Proprietary Machined Aircraft Grade 7075 T6 Billet w/ Accu-Tite(TM) Tension System & QD Swivel Mounting Points BARREL:16" 1:8 Twist LT WT Profile CMV MeloniteA(R) Finish Internally & Externally - Unique SA Multiport Muzzle Brake GAS SYSTEM: Mid Length Low Profile Multi/Mode Adjustable Gas Block TRIGGER: Springfield ArmoryA(R) Proprietary Modular Match Short Reset Single Stage SIGHTS: Springfield ArmoryA(R) Low Profile Flip-Up Rear Dual Aperture Sights 1/2 MOA Windage Adj. & Flip-Up Front 1/2 MOA Elevation Adj. TRIGGER GUARD: Integral to Receiver PISTOL GRIP: Bravo Company Mod 3 HANDGUARD: Unique SA Proprietary Patent-Pending Full Length Aluminum Free Floating w/ SA Locking Tabs M-Lok BUTT STOCK: Bravo Company Mod 0 SOPMOD BUFFER ASSEMBLY: Carbine "H" Heavy Tungsten Buffer RECEIVER EXTENSION: Mil-Spec Dimension Carbine Receiver Extension Manufactured from 7075 T6 Type III Hard Anodized Aluminum CHARGING HANDLE: SA Proprietary Mid SIze BOLT CARRIER GROUP:Enhanced M16 MeloniteA(R) Finish MPT 9310 Steel Bolt MAGAZINE: 1 - 30 Round Magpul PMag Gen 3