[Last Edit: 12/27/2005 12:30:39 PM EDT by PKFirearms]
RRA Flat Top Upper Receivers with port door and forward assist. Laser T-marked with RRA Logo
RRA Enhanced Bolt Assemblies
Rock River Arms bolt carriers and bolts are the best we've ever dealt with. The machine work is excellent and very smooth. Our Rock River bolts come standard with RRA gapless gas rings, which are excellent and $4.50 per set retail. The also have RRA Heavy Duty extractor springs.