Lower Parts

  ALG Defense ALG Combat Trigger (ACT) The ALG Defense Advanced Combat Trigger (ACT) is designed for those shooters where tradition, value and regulatory concerns are of primary importance. The pull of the ACT is very similar to a standard...

  ALG Defense Quality Mil-Spec (QMS) Trigger The ALG Defense Quality Mil-Spec (QMS) Trigger is designed for those shooters where tradition, value and regulatory concerns are of primary importance. The pull of the QMS is very similar to a standard...

  Timney Triggers AR-15 Skeletonized Small Pin 3lb Trigger. Why settle for a sloppy trigger which can cause a good rifle to shoot badly? Now shooters can replace creepy two-stage triggers with one that is smooth and breaks crisp. The trigger is...

Timney Triggers 683 Replacement Trigger Single-Stage Straight Trigger with 4.50 lbs Draw Weight & Black Finish for Sig MPX Timney is the market leader for Sig replacement rifle triggers. This single-stage trigger is factory tuned for 4.5 lb...

Timney Triggers DH3 Daniel Horner Signature Single-Stage Straight Trigger with 1-3 lbs Draw Weight & Anodized Finish for AR-15 for Sig MPX for Sig MCX Daniel Horner and Timney’s engineers set out to create not only the ultimate AR-style...

Get a rock solid start to your next carbine build with the Aero Precision M4E1 complete lower receiver! This factory-finished lower is ready to roll with a Magpul MOE SL pistol grip and SL-S carbine stock. With high quality components and fantastic...

The KAC Ambidextrous Magazine Release is easily installed into any standard, mil-spec AR-15 lower receiver. Requires zero modifications to the host firearm. Knights Armament Company, Ambidextrous Magazine Release Kit, Black Easy Installation Fits...

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

Sharp Brothers Gen 2 The Jack AR15 Billet Lower Receiver The Jack - Gen2 is a high-performance, precision-machined AR-15 lower receiver, designed for enhanced durability, reduced weight, and improved styling. Built from 7075-T6 aluminum, this lower...

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

Badger Ordnance Enhanced Bolt Catch The Badger Ordnance Enhanced Bolt Catch is Billet machined from 4140 and hardened to 45-50 Rc. Re-styled to give positive tactile feel for rapid manipulation and angled to make it easier to engage/disengage...

  Knights Armament Company AR-15 Receiver End Plate with Castle Nut and Push Button QD Swivel