DIY: AR-15 Trigger Installation – RISE Armament Drop-In Assembly
Here's how to install a new trigger into your AR-15. This is a step-by-step process installing a drop-in assembly from RISE Armament.
Rise Armament is an Oklahoma based manufacturer focused on AR platform rifles, premium drop in triggers, and precision AR parts. The company grew out of a machining operation that served the oil and aerospace industries, and it brings that background in tight tolerance manufacturing to every firearm and component it produces. From the 1121XR precision rifle to RAVE 140 and RA 535 triggers, Rise Armament has built a reputation for accurate, reliable gear that is designed, machined, and assembled in Broken Arrow, Oklahoma.

Rise Armament focuses on AR platform products, including complete rifles, precision drop in triggers, and AR parts such as handguards, bolt carrier groups, and small parts kits.
Rise triggers are designed as self contained drop in units with crisp single stage breaks, short resets, and consistent pull weights, making them a straightforward upgrade for most AR 15 style lowers. Models like the RA 535, RA 434, RAVE 140, LE145, and BLITZ cover a range of shooting roles and budgets.
Yes. Rise Armament produces complete rifles such as the 1121XR precision rifle in .308 and 6.5 Creedmoor, along with AR 15 based rifles like the Watchman XR in 22 ARC that are geared toward hunting and precision applications.
Rise Armament designs, machines, and assembles its products in Broken Arrow, Oklahoma, leveraging its background in aerospace and oilfield manufacturing to maintain tight tolerances and consistent quality.
The company builds triggers, rifles, and parts for competitive shooters, hunters, law enforcement professionals, and enthusiasts who want improved control, accuracy, and reliability from their AR style platforms.
Rise Armament products are sold through the company’s website and through dealers and online retailers that stock AR parts and rifles, including major outlets that carry RA 535, RA 140, RAVE 140, and other trigger models.
Rise Armament was formed by machinists and engineers with experience in the oil and aerospace sectors who wanted to apply high precision manufacturing techniques to AR platform firearms. From a base in Broken Arrow, Oklahoma, the company grew into a leading producer of American made AR triggers and rifles known for combining consistent performance with careful finishing.
Stay informed with the latest news, expert reviews, and in-depth articles on firearms, shooting sports, and gun-related topics. Whether you’re a seasoned shooter or new to the world of firearms, our collection of articles will keep you updated on industry trends, product launches, and valuable tips for responsible gun ownership.

Here's how to install a new trigger into your AR-15. This is a step-by-step process installing a drop-in assembly from RISE Armament.