Joebob's is proud to offer the Kies M4 rim fire upper in .22 Long Rifle. Kies standard M4 uppers have been designed to offer the perfect balance of ballistics, stiffness, weight, and maneuverability. Kies Firearms is confident that these M4 Uppers will serve even the most demanding hunters and marksmen.

All Kies upper receivers are caliber marked to keep identification easy before heading out into the field only to find at your destination that you brought the wrong upper.
All Kies upper receivers are hand lapped true and squared.

• - Standard Kies hand trued and lapped upper receiver
• - Billet charging handle
• - 22LR bolt and carrier set with hand tuned extractor
• - Kies Delta Quad Rail with end cap installed
• - Hand chamberd and hand lapped barrel
• - 4140 (same as most companies use for centerfire barrels) Melonite finished M4 profile barrel complete with our standard nano-ceramic bore treatment threaded 1/2x28
• - One Blackdog magazine in 10rd capacity (Inquire about swapping size/color if needed)