Lower Parts

The Fortis Standard Castle Nut is manufactured from a solid piece of billet aircraft grade aluminum that offers a significant weight reduction to your castle nut. If you're trying to save ounces, this is a great way, but without sacrificing durability...

Daniel Defense Complete Lower Parts Kit At Daniel Defense, pride is taken in offering this kit for those interested in assembling their own AR15. Although there are many manufacturers of so-called MIL-SPEC parts, Daniel Defense has gone to great lengths...

KE Arms, KP-15, Semi-automatic, Complete Lower Receiver, Polymer, Black Color, Molded Fixed Stock, Mil-spec Components

The MOE Fixed Carbine Stock - Mil-Spec Model (Magpul Original Equipment) provides an inexpensive, fixed, non-collapsing stock option for mil-spec size carbine-length buffer tubes. The MOE Fixed Carbine Stock has a slim profile, improved cheek weld, and...

Forever the AR15 has been a right handed person's tool. With Ambi controls evolving, it's becoming more of a tool that everyone can use, even left handed shooters! This Ambi Mag Catch works in place of a standard mag catch to allow left handed shooters...

SB Tactical PDW Stabilizing Brace (PDW-01-SB) SB Tactical AR Pistol PDW Stabilizing Brace was designed in conjunction with Maxim Defense. It is three position adjustable and compatible with mil-spec bolt carrier groups and carbine buffers. Fits AR-15.

Magpul ACS Carbine Stock MIL-Spec ODG The Magpul ACS (Adaptable Carbine/Storage) MIL-SPEC Stock is a drop-in replacement buttstock, designed for AR15/M16 carbines using mil-spec receiver extension tubes. With an anti-snag profile, supplemental friction...

THE LWRC UCIW (ULTRA-COMPACT INDIVIDUAL WEAPON) STOCK SYSTEM SHORTENS THE OVERALL LENGTH OF THE FIREARM BY A FULL INCH" AS COMPARED TO A STANDARD AR. THE STOCK KIT INCLUDES THE STOCK" RECEIVER EXTENSION" INDEX PLATE" BUFFER" RECOIL SPRING AND CASTLE NUT...

Magpul ACS Carbine Stock MIL-Spec FDE The Magpul ACS (Adaptable Carbine/Storage) MIL-SPEC Stock is a drop-in replacement buttstock, designed for AR15/M16 carbines using mil-spec receiver extension tubes. With an anti-snag profile, supplemental friction...

The Spikes Tactical Forged AR-15 lower receiver is perfect for your next AR-15 build. This particular lower receiver features the Waterboarding logo which has not been color filled. The lower is made from 7075 T6 aluminum and is finished with a Type...

AR9 Billet Receiver Set 9mm- Glock Magazine Compatible The Spikes Tactical AR9 9mm Billet Upper Lower Set is designed for Glock magazine compatibility, offering precision machining for weight reduction while maintaining strength. The lower receiver has...

BAD-MRK for the AR15/AR10. Precision CNC Machined for billet 7075-T6 Aluminum (not 6061) in an anodized BLACK finish, the BAD-MRK features a unique, fully solid "V" shaped button face with horizontal serrations (no through hole). The concave V-Groove...