This 11.5" retro AR-15 build combines the classic M16A2 profile with modern components. Built around BKF (B. King's Firearms) retro parts with upgrades where it counts — here's the full parts breakdown.

Upper Build

• BKF M16A2 11.5" Retro Upper — Government-profile, chrome-lined, carbine-gas barrel with front sight base.
• BKF M16A2 Upper Receiver
• BKF SS Carbine Gas Tube
• BKF Gas Block
• BKF A2 Carbine Handguard
• BKF Carry Handle Picatinny Mount
• Vortex Strikefire 2 Red Dot on a Primary Arms 30mm Low Optic Mount
• Streamlight HL-X on an IWC Scout Mount with a Hammy PETG-CF Light Cap
• Samson Stubby Vertical Foregrip
• Comstock Recessed Micro Brake
• KAK DV SC Phosphate BCG
• BCM MK2 Charging Handle

Lower Build

• Aero Precision M4E1 Lower Receiver
• Geissele SD-E Trigger
• BKF M4 Combat Lower Parts Kit
• Radian Talon Ambidextrous Safety Selector
• DAC ULCG FS Atom Grip
• B5 Bravo Stock with Integrated .5" Riser
• BKF A5 Buffer Tube + Geissele Super 42 Rifle Spring + BKF A5 H2 Buffer
• PWS Ratchet Endplate & Castle Nut
• ESD Sling in Ranger Green