Black Rifle Depot M16A1 Retro Rifle build kit includes everything you need to finish your AR 15 stripped lower receiver. This kit includes a complete M16A1 Retro Complete Upper with M16 Bolt Carrier group plus the A1 Stock & Buffer Kit with buffer tube assembly and our 2 Stage M16 Lower Parts Kit. These kits are made and assembled here in the USA and include a Lifetime warranty on all parts and craftsmanship.
- M16A1 Complete Upper assembly
- True Mil-Spec M16 Bolt carrier group-C158
- CMMG A1 Stock And Buffer kit
- AR 15 2 Stage Lower Parts Kit
- Lifetime Warranty