STSB610-M2 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 STOCKSpike’s Tactical Billet Set – Rare Breed Spartan w/Gen II Upper and 12″ M-LOK $877.46 Original price was: $877.46.$552.80Current price is: $552.80. Add to cart