Our Complete AR Upper Receiver Build Service is performed by our licensed gunsmith at The Freedom Dispenser Company. We build your complete upper correctly, timing everything, checking headspace, torquing all hardware, and verifying full function before it leaves the shop.
What Does Complete AR Upper Receiver Build Service Include?
- Install barrel and barrel nut (properly torqued and timed)
- Headspace check with go/no-go gauges
- Gas block and gas tube installation
- Handguard installation
- Forward assist and dust cover installation
- BCG inspection and lubrication
- Muzzle device installation if provided
- Full function check and inspection
Why Would You Need a Complete AR Upper Build?
A complete upper build is the most comprehensive AR service we offer and the one where proper technique matters most. Customers come in for a full upper build when:
- Building a custom AR upper from individual components
- Upgrading multiple components at once (barrel, handguard, gas system)
- Building a dedicated caliber upper (6.5 Grendel, .300 BLK, etc.)
- Creating a precision bench rest or competition upper
- First-time AR builder who wants it done right
Pricing and Booking
Price: $100 — Ready to get started? Book your appointment here.
Frequently Asked Questions
What do I need to bring?
Bring all components: stripped upper, barrel, barrel nut, handguard, BCG, charging handle, gas tube, gas block, and any muzzle device. Contact us before your appointment if you’re unsure what you have.
Is the BCG inspection included?
We inspect the BCG visually and check carrier key staking. If staking is loose, we’ll re-stake it.
Can I combine an upper and lower build in one visit?
Absolutely. Let us know at booking so we allocate enough time.