RTB Lower Parts Build Kit - Mil-Spec M4 Stock
This Right To Bear AR Lower Parts Build Kit comes with our True Mil-Spec Trigger Assembly and a Mil-Spec M4 Stock and is perfect for building an 80% lower receiver! This upgraded lower build kit comes with everything that you need to complete your 80 percent lower other than the lower itself. It includes a Mil-Spec lower parts kit and a 6 Position Adjustable Buffer Tube Kit made from 7075 aircraft grade aluminum.Add 80% lower receiver from this category to complete your 80 percent lower build kit
Add 100% lower receiver from this category to complete your lower build kit
Lower Build Kit Parts:
- RTB True Mil-Spec Trigger Assembly
- M4 Stock (Mil-Spec)
- 6 Position Adjustable Buffer Tube Assembly Kit (Mil-Spec 7075)
- Mil-Spec Lower parts Kit (LPK)