All of our non reciprocating AR-15 complete uppers feature the Gibbz Arms non reciprocating upper receivers. Non reciprocating to keep the charging handle forward during cycling. It uses standard AR-15 BCGs without any modification. All that is required is to swap out the cam pin with the Gibbz enhanced cam pin that will be included.
Non Reciprocating Side Charging Uppers
- 18 inch NR Side Charging 450 Bushmaster Mid Length M-LOK UpperSpecial Price $439.99 Regular Price $589.99
- 16 inch NR Side Charging 450 Bushmaster Carbine Length M-LOK UpperSpecial Price $429.99 Regular Price $579.99