Browse our inventory of AR15 parts from trusted brands like FAB Defense, Armaspec, KNS Precision, Odin Works, and Shield Arms. ICB Firearms carries quality AR15 parts for builders and shooters who need dependable components for upgrades, repairs, maintenance, and custom rifle setups. You can shop related categories like AR lower parts, AR upper parts, and AR10 parts when you need matching components for complete builds or platform-specific projects. We also stock AR rifles and AR magazines to help round out a dependable setup for training, range use, and regular ownership.
Shop AR15 parts online by comparing fitment, checking current availability, and reviewing specifications such as receiver pattern, barrel compatibility, handguard style, and intended use. A solid parts order starts with the exact AR15 setup you own, then moves to function, installation, and the rest of the rifle.
These are the details AR15 parts buyers should check before checkout:
Browse AR15 parts online, or visit our gun store in St. Clair Shores, Michigan. ICB Firearms serves customers from nearby cities including Macomb, Clinton Township, Grosse Pointe, Warren, and Royal Oak.
Most AR15 parts do not follow the same transfer process as serialized firearms. Shipping details, item restrictions, and checkout steps can still vary by part and destination, so review order information before you place the order.
Fitment and safe installation still matter after the sale. Contact the shop for current store policies, accepted identification, and any questions tied to shipping, pickup, or compatibility.
AR15 parts can include controls, upper components, lower components, rail-related pieces, and other platform-specific items tied to an AR15 build.
Start with the exact AR15 pattern and rifle setup you own. A close match is not enough when fitment matters.
No. AR15 parts do not fit every AR platform, so compatibility needs a close check before you order.
Many buyers do. That can make it easier to keep the full rifle setup consistent.
Sometimes. Platform pattern comes first, though caliber can affect compatibility on some builds.
Yes. Review the item details and shipping information before checkout.
Most do not, though exact requirements can depend on the item. Check the order details before you buy.
Some parts are simple to install, and others may need tools or a gunsmith. Check fitment and installation details before you begin.
