An AR-15 Rifle Kit For The DIY Gunsmith
- Start or continue your AR-15 build project with one of our rifle kits available online.
- This AR-15 rifle kit includes an 80 percent lower and a completely assembled upper.
- All gun parts offered online at Thunder Tactical are machined to mil spec tolerances.
- We test fire assembled uppers to ensure proper cycling.
Building your own AR-15? Be sure to shop Thunder Tactical’s AR-15 rifle kits for sale. This particular rifle kit includes a fully assembled .223/5.56 upper receiver, which includes the following rifle parts:
20′′ Spiral barrel 1/9 Twist .223 Wylde
- 15" Free Float Quad Rail Handguard
- Rifle Barrel Length Gas Tube and low pro gas block
- Forward Assist
- Ejection Port Cover
- Charging Handle
- M-16 Bolt Carrier Group
- A2 Flash Hider with Crush Washer
This rifle kit also includes an 80 percent lower receiver, a lower parts kit, and a six-position stock with buffer tube, buffer, and spring. Keep shopping with us to find even more gun parts online.
- Available in black, blue, bronze, red, purple, pink, & green
- Black hard coat anodized upper & lower
- Fully assembled upper