Upper Parts

This Bushmaster® Bolt Carrier Group will make a great addition to your favorite firearm or new b…

Bushmasters® A4 Modified Complete Upper Receiver is the perfect addition to your build list. Mad…

Back by popular demand, Bushmaster brings you the A1 Stripped Upper Receiver. Machined from a 7075 T…

Introducing the Bushmaster® 450BM/.458 SOCOM Bolt Carrier Assembly, a high-quality component des…

Bushmasters® A4 Complete Upper Receiver is the perfect addition to your build list. Made with hi…

Introducing the new and improved addition to the Bushmaster Firearms® Family - the Bushmaster&re…

The Bushmaster® Bolt Carrier Assembly Chrome Lined Phosphate 5.56/350/300BLK, a high-quality com…

Bushmasters® A4 Stripped Upper Receiver is the perfect addition to your build list. Made with hi…

The Bushmaster® 20" .450 Bushmaster barrel is the perfect addition to your current rifle or next…

Looking for a high-quality barrel for your carbine? Our 11.5" SBN 1:7 5.56 NATO barrel is just what …

Introducing our top-of-the-line AR Gas Block, designed to enhance the performance and accuracy of yo…

Bushmaster® AR15/M16 5.56 Bolt Rebuild Kit - Compatible with 5.56 NATO/ .223REM / 350LGND / 300B…

The Stainless Steel Gas Tube with Pin, an essential component for your firearm. Available in three d…

Introducing the Crush Washer - a must-have accessory for any gun enthusiast! Designed to provide sup…

- Mil-Spec AR15/M16 Charging Handle Proudly Made in U.S.A.