Clear Anodized Billet Stripped Upper Receiver

(This is just for the stripped upper pictured with no additional components attached)   Our in house machined AR15 billet upper receivers are the perfect compliment to our billet lowers...

COMPLIANT Zeus Arms Complete Billet Lower

THIS COMPLETE LOWER IS ALLOWS YOU TO BUILD A "NORMAL" AR-15 IN COMPLIANT STATES SUCH AS CALIFORNIA. THIS LOWER COMES EQUIPPED WITH A PHASE 5 B.A.D. LEVER AND WILL MAKE ANY MILSPEC UPPER FUNCTION AS A...

CRITERION CORE BARRELS

Our CORE Series barrels are designed with tactical shooters in mind. These barrels are built to address issues with weight distribution, balance, and handling of traditional profiles, while...

Disconnect Spring

AR15 Lower Parts - Bolt Catch Detent Spring Manufactured to milspec dimensions For use on AR15, and AR10, style firearms 100% USA Made

Engraved Zeus Arms Anodized 80% Lower

Zeus Arms Anodized 80% AR-15 Lower Receiver 7075-T6 aluminum Precision broached magazine well Accepts all mil-spec components We do not ship 80% lowers to New Jersey, New York, Hawaii,...

Forward Assist Kit

Upper Parts - Forward Assist Kit Manufactured to milspec dimensions Fits all common AR15 and AR10 upper receivers Forward assist assembly Forward assist spring Forward assist roll pin Phosphate...

Gas Key - Nitride

Cut from 4140 pre-hard bar stock right here in our factory, our gas keys are guaranteed to fit properly and seal tightly to your milspec carrier.  Nitride treated by H&M, theses gas keys are...

Gas Key Screw

AR15 / M16 / AR10 Gas Key Screw Fits all standard AR15/M16/AR10 sized carriers Grade 8 Steel Allow Black Oxide Finish Manufactured to mil-spec dimensions 100% USA Made

Gas Tube Roll Pin

AR15 Upper Parts - AR Gas Tube Roll Pin Phosphate coated Fits standard low profile gas blocks and A2 front sight bases 100% USA Made

Geissele CHF, Chrome Lined Barrel, 5.56 - 16"

Geissele CHF, Chrome Lined Barrel, 5.56 - 16" Geissele barrels are precision machined and cold hammer forged utilizing the highest quality materials at our state of the art facility in North Wales,...

Handguard - 13.5" MLOK

Machined in house from our custom 6061-T6 extrusion, Zeus Arms house brand free float hand guards will provide you with a lifetime of service. Our barrel nut does not need to be indexed for gas tube...

M16 / AR10 / AR15 Ejector Spring

One of the most common caused for a "failure to eject" is a worn or broken ejector spring.  Springs are considered "wear" items and have a limited service life.  Make sure to keep spares on...