Gold Lifetime
- Messages
- 4,596
- Reactions
- 4,839
M4 5.56 UPPER RECEIVER GROUPS | Brownells
Add the Colt legend of reliability to your rifle or build with these complete feature 1/7 RH twist in a chrome lined, button rifled barrel. Available with or without a charging handle, bolt carrier group, and back up sights. All NFA rules apply. N...
www.brownells.com
- I agree to the classified rules and terms of service