RN-50 View cart “Serbu RN-50 Single Shot 50 BMG Rifle 29.5″ Barrel, No Butt Stock (Uses AR-15 Stock)” has been added to your cart. Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKSerbu RN-50 Single Shot 50 BMG Rifle 29.5″ Barrel, No Butt Stock (Uses AR-15 Stock) $1,199.99 Original price was: $1,199.99.$1,079.99Current price is: $1,079.99. Add to cart