APCR640437 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 STOCKAero Precision M4E1 5.56x45mm NATO, 16″ Barrel, M-Lok Handguard, 30rd $1,249.99 Original price was: $1,249.99.$699.99Current price is: $699.99. Add to cart