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NBS Mil-Spec M4 Carbine Stock
NBS Mil-Spec AR-15 Takedown / Pivot Pin Detent Spring
NBS Mil-Spec AR-15 Bolt Catch Roll Pin
Rise Armament RA-701 Compensator – .223/5.56 – Stainless Steel
Dirty Bird AR-15 MCF Complete Lower Receiver – Black
Dirty Bird 1/2×28 Black Knurled/Fluted 5/8 long Thread Protector .223/5.56 – Black
NBS Mil-Spec AR-15 Bolt Catch Plunger
Discount Mil-Spec Carbine Buffer / Receiver Extension Kit
NBS AR-15 Dust Cover / Port Door Kit
NBS Mil-Spec AR-15 Magazine Catch Spring
Rise Armament .308 Bolt-Carrier Group – Black Nitride
NBS Mil-Spec AR-15 Bolt Catch Spring
NBS Mil-Spec AR-15 Disconnector Spring
NBS Mil-Spec AR-15 Hammer Spring
Dirty Bird 3/32 AR Extra Long Roll Pin Punch Set (Perfect for Bolt Catch Installation)
NBS Forward Assist Kit
NBS .750 Low Profile Gas Block
NBS AR-15 Armorer’s Wrench
Dirty Bird 5-Slot Aluminum M-LOK Rail Section
Dirty Bird AR-15 Enhanced Lower Parts Kit
Criterion Barrels 13.9″ .223 Wylde Core Phosphate/Chrome-Lined Midlength Barrel
NBS Extended Easy Pull Takedown Pin – Parkerized – Rear
Dirty Bird M-LOK QD Sling Mount
NBS Mil-Spec AR-15 Disconnector