top of page

AR-15 Parts & Build Kits

Shop AR-15 upper and lower receivers, BCGs, handguards, barrels, triggers, and complete build kits — RTF3TX Gunsmithing provides expert AR-15 assembly and custom builds in San Antonio, TX.
Shop AR-15 upper and lower receivers, BCGs, handguards, barrels, triggers, and complete build kits — RTF3TX Gunsmithing provides expert AR-15 assembly and custom builds in San Antonio, TX.…
0 products

No products here yet...

In the meantime, you can choose a different category to continue shopping.

Our rates reflect master-level AGI certified work, dedicated hand-fitting, and a 1-to-2 week turnaround instead of the 8-week wait you'll get at big-box range counters.

AGI service center logo
ATFFFL logo

Official AGI Certified Service Center | Verify

security badge

Private callers will not be answered. Appointment only. The app link is above. Please use the app link or call with a name and an email. This is not for sales or marketing but out of respect to you as a person. We NO LONGER accept walk in clients due to security concerns. We are not a store front, we are a gunsmithing shop. We do not sell any firearms due to Live oak residence regulations. We fix and /or modify firearms within the legal frame work of the regulations of the ATF and federal statutes . 

 

© 2026 by RTF3TX Gunsmithing. Powered and secured by Wix 

 

bottom of page