Interesting but at 2K a copy I will stay with my FALs. Amazing how all of the firearms companies Ruger, Remington, S&W have jumped on the AR-15 & AR-10 bandwagon after years of shunning it. I guess all of those lost law enforcement contracts to Colt and others swayed them. Stock: Black Synthetic, Collapsible Finish: Manganese Phosphate/Hardcoat Anodized Sights: Folding Iron Sights Height: 8.00" Barrel Length: 16.12" Overall Length: 34.75" - 38.00" Width: 2.50" Weight: 8.60 lbs. Twist: 1:10" RH Grooves: 6 Length of Pull: 11.50" - 14.75" Capacity: 20 Suggested Retail: $2195.00 Features: Ruger® patented chrome-plated, two-stage piston with multi-stage regulator provides a cleaner, cooler running, reliable firearm with superior operating endurance. The two-stage piston provides a smooth power delivery stroke to the bolt carrier. The four-position chrome-plated gas regulator can be adjusted for optimum reliability and superior operating endurance. The gas system may be closed completely for manual operation during training or when using a suppressor*. Folding backup iron sights include a windage adjustable rear sight and an elevation adjustable front sight. These sights provide a solid, reliable aiming system that can be folded out of the way to make room for optics, but can be instantly redeployed if needed. Six-position telescoping M4-style buttstock* is mounted on a Mil-Spec diameter tube. Precision-rifled, chrome-lined, cold hammer-forged Mil-Spec 41V45 chrome-moly-vanadium steel barrel ensures accuracy and longevity. Fluted barrel (for reduced weight and improved barrel cooling) features an SR-556®/Mini-14®-style flash suppressor* mounted with a 5/8"-24 thread. Round, smooth-sided Ruger® Lightweight Adaptable handguard with flattop receiver features a Mil-Spec 1913 Picatinny rail at 12:00 position that extends the full length of the handguard. Drilled and tapped for additional rails at the 3:00, 6:00 and 9:00 positions (two additional rail sections included), providing ample space for mounting sights, lights, lasers or other accessories. Hogue® Monogrip® pistol grip* adds comfort when carrying or shooting. Chrome-plated bolt and chrome-plated one-piece bolt carrier with oversized and radiused rear bearing surface. Also Includes: three 20-round MAGPUL® PMAG® magazines*; soft-sided case; three finger-grooved rail covers.