The Rise Armament Premium Lower Parts Kit (brand part no. 12003-ADV) isn’t a standard AR-15 LPK. Rise Armament includes all the essential pins, springs, and hardware needed to complete a lower build, but swaps in premium RISE Armament components in place of basic Mil-Spec parts, elevating the rifle’s performance and usability from the moment it’s installed. It’s built for shooters who want their lower build to start above baseline instead of upgrading piece by piece down the road.

Key Specifications

• Supplies the full set of pins, springs, and hardware needed to complete an AR-15 lower.
• Upgrades key components with premium RISE Armament parts rather than basic Mil-Spec pieces.
• Includes an upgraded trigger group as the centerpiece of the kit.
• Includes a selector, magazine catch, and bolt catch to finish the lower’s fire control.
• Includes a trigger guard and pistol grip to complete the lower’s furniture.
• Built to fit standard AR-15 lower receivers.
• Part of Rise Armament’s Premium lower parts kit line.
• Lets a builder skip piecemeal upgrades by starting the build above baseline.
• Ships at approximately 0.25 pounds.

Frequently Asked Questions

How is this different from a standard LPK? It includes all the standard pins, springs, and hardware, but upgrades key components like the trigger group to premium RISE Armament parts instead of basic Mil-Spec pieces.

Does it include a trigger guard and grip? Yes, both are included along with the full pin, spring, and small-parts set.

What line is this kit part of? Rise Armament’s Premium lower parts kit line.

Buy the Rise Armament Premium Lower Parts Kit

Start your AR-15 lower build above baseline with upgraded components in one kit. Order it from our Rise Armament lineup, part of our AR lower parts kits selection, at our Lubbock, Texas gun shop for fast, direct shipping.