Rise Armament | Premium Lower Parts Kit AR-15 | 12003ADV

The Rise Armament Premium Lower Parts Kit supplies upgraded control components and all standard pins and springs needed to complete an AR-15 lower assembly. This kit centers on ergonomics and fit—featuring an ambidextrous safety, enhanced takedown and pivot pins, an aluminum swing-open trigger guard, an oversized magazine release, and an enhanced bolt catch. It is intended for builders, armorers, and experienced shooters finishing or upgrading an AR-15 lower. Typical applications include custom builds and competition or range use.

Product Specifications

• The manufacturer is Rise Armament.
• The manufacturer’s part number is 12003ADV.
• The product type is a Lower Parts Kit for AR-15 lowers.
• The model designation is Premium.
• The finish style is BLACK.
• The kit includes components such as a ambidextrous safety selector, enhanced takedown and pivot pins, aluminum swing-open trigger guard, oversized magazine release, enhanced bolt catch, and associated springs and pins.
• The kit explicitly notes trigger not included.
• The listed UPC is 850062094147.
• The listed weight is 0.25 (unit as provided).
• The product dimensions are listed as 1.05 x 4.20 x 8.65.
• The listed length is 8.6500, width is 4.2000, and height is 1.0500.
• The kit is categorized under Long Gun Parts.
• Shipping restriction: no direct ship to California.

This kit streamlines assembly and ergonomic upgrades for builders who demand well-designed controls and reliable hardware. The included ambidextrous selector and enhanced controls make this kit a practical choice for custom builds or competitive and range-focused rifles where handling and repeatable operation matter.