Luth-AR 16 in Light Weight 1-7 kit minus Lower Receiver w/coll. Stock KeyMod Black Carbine. Specifications for Luth-AR 16 in Light Weight 1-7 Kit Minus Lower Receiver w/Coll Stock KeyMod: Manufacturer: Luth-AR Caliber: 5.56mm Overall Length: 26 in Barrel Length: 16 in Barrel Profile: Light Weight Barrel Twist Rate: 1-7 Threads per Inch: 1/2×28 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Gun Model: AR-15 Fabric/Material: Aluminum Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Gun Rail: KeyMod Gun Type: Carbine Included Accessories: Collapsible Stock Magazine Included: No Package Contents: Luth-AR 16 in Light Weight 1-7 Kit Minus Lower Receiver w/Coll Stock KeyMod Fully assembled 16 in Lightweight 5.56 mm Barrel Upper with 15 in Keymod or MLOK Palm Handguard MBA-3 Adjustable Carbine Buttstock Assembly Complete Lower Parts Kit What firearm models does the manufacturer say Luth-AR 16 in Light Weight 1-7 Kit Minus Lower Receiver w/Coll Stock KeyMod is compatible with? The manufacturer suggests that Luth-AR 16 in Light Weight 1-7 Kit Minus Lower Receiver w/Coll Stock KeyMod is compatible with AR-15Luth-AR RKL7-16-3: 16 in Light Weight 1-7 kit minus Lower Receiver w/coll. Stock KeyMod Black Carbine
Aero Precision M4E1-T 5.56x45 15 inch MOD 4 Upper Receiver Government Mid Length 1 in 7 Twist A2 Bird Cage Black Original price was: $725.00.$654.99Current price is: $654.99. 
CMMG Mk47 7.62X39mm Banshee Upper Group Receiver 8in Tungsten Original price was: $1,049.95.$909.99Current price is: $909.99. Luth-AR 16 in Light Weight 1-7 kit minus Lower Receiver w/coll. Stock KeyMod Black Carbine
Original price was: $614.99.$578.09Current price is: $578.09.