Upper Parts

Perfect for building your custom MK3 upper group. Comes with properly installed barrel extension. All barrel sub-assemblies are properly headspaced. ALL NFA RULES APPLY CMMG, Barrel, 308 Win, 12.5" Barrel, 1:10 Twist, Mid-length Gas System, 4140 CrMo,...

DD – M4A1 RAIL INTERFACE SYSTEM II, RIS II (FDE) The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement...

High quality components and precise manufacturing makes Colt Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on. Colt's Manufacturing,...

The silencer-optimized Raptor-SD™ features a ported shaft designed to redirect gasses down and forward, away from the shooter’s face when shooting suppressed. Its ambidextrous design allows rapid palm "blading" or finger-thumb charging of the...

Ballistic Advantage, 9MM, 11", Black, AR15 This 9mm chambered 11 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and 1/2-28 x .620 full profile threads. Designed to work with both...

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Noveske 5.56 7.94" Diplomat, Stainless barrel with lopro gas block. Stainless Barrel -556–1 in 7″ twist improved polygonal rifling              With 556 Noveske Match...

Noveske 7.62x51 12.5" Stainless N6 Leonidas Barrel. .750 Lowpro gas block included. 

Our chrome lined barrels are cold hammered forged and made with the material callouts and manufacturing process for the M249 Machine Gun barrel. The cold hammer forging process work hardens the steel around a rifled mandrel, which creates the lands...

Rosco 16" Government Profile .223 Wylde Purebred Bead Blasted SS Barrel - Mid-Length Gas Crafted for shooters who demand balance, accuracy, and reliability, the Rosco Manufacturing Purebred 16" .223 Wylde barrel is a standout choice for your next...

This 5.56 chambered 18 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. This barrel features a longer .750" profile dimension necessary for proper...

The barrel is one of the most critical components of your build. Spike's tactical only offers high quality barrels so you can be confident that your rifle will be off to a good start with which ever barrel you decide on. Spike's Tactical, Barrel, 223...