Rock River Arms Mil Spec AR15 / M4 semi-auto lower parts kit (LPK) less grip and FC from RRA MSRP: Was: Now: $52.00
On Sale! Rock River Arms Rock River Arms FBI style AR-15 Lower Receiver, stripped MSRP: Was: $219.00 Now: $179.50
Rock River Arms Mil spec AR15 / M4 semi-auto full lower parts kit (LPK) from RRA MSRP: $89.99 Was: Now: $83.00
