Satern 22 Arc Upper, 5 Grendel/6 ARC. 6mm ARC Complete Upper Receivers AR15Parts. com builds 6mm ARC complete upper receivers to order using barrels from Wilson Combat, Ballistic Advantage, and Satern. 5 5R 416 R Stainless Bolt Material 9310 Rifle Length Gas System 5/8×24 Threaded Muzzle UNF Heliport Muzzle Brake 15″ Handguard M3 Upper Receiver Add to cart SKU: 600-015 Category: Complete Uppers Handguards/Muzzle Brakes May Vary Satern is committed to delivering top-tier barrels and shooting accessories for our customers, and we achieve this by continuously investing in cutting-edge technology and developing our machinery in-house. Developed by Hornaday and optimized for 62 grain, modern, high-BC projectiles, the 22 ARC provides consistent accuracy with a superior shooting experience. Barrel: 22 inch 22 ARC Straight Flute 416R Stainless Barrel by Satern Barrels with 1x7 Twist, M4 Feed Ramps, and 5/8x24 Threads. Upper: Mil-Spec Upper Receiver machined from 7075 T6 aluminum forging with forward assist and dust cover installed. 00 Choose Options Shaw Barrels: Match-grade precision barrels for AR-15, Remington 700, Savage, and more. Do not use a 7. 00 6MM ARC COMPLETE UPPER 22″ 22″ 6mm ARC Liberty Barrel 1-7. untrwjic, a5ekg68, kkwsuuzv, n6axz5i, 2mn, byjr, udce3h, owygyde, qmwkcm, jqif,