GM AR-15 COMPLETE UPPER RECEIVERS
Gorilla Machining offers a huge selection of AR-15 complete upper receivers and parts. If you're building a new AR-15 or upgrading or replacing some old parts, we have plenty of options to choose from. See accessories, such as barrels, barrel assemblies, bolt carrier groups, charging handles, gas blocks, handguards, rails, conversion kits, muzzles, grips, sights, and much more for you to shop. You can look to us for all of the barrel and receiver components your weaponry requires, so browse away in our collection below. With competitive prices and excellent customer service, we are the best store to get the tough and reliable parts you need. At Gorilla Machining, we have spent years perfecting our rifle parts and accessories for a product that maintains its high performance and integrity. Our supplies are made in the USA and built to last, offering undeniable quality and ease of use. We manufacture our products using the industry's latest technology to meet our high-quality standards. Gorilla Machining is committed to your satisfaction, and we hope to provide you with impeccable products and services. If there is anything we can do to improve your experience or have any questions, you are more than welcome to contact us.