The Flat River Arms knurled upper parts kit fits most standard AR15 style upper receivers. The knurled dust cover rod eases installation. No c-clip needed.
Knurled Upper Parts Kit Includes:
- Complete Forward Assist Kit
- Complete Dust Cover Kit
- No C-clip Needed
- Weight 1.6 ounces
- Phosphate Coated
- 100% American Made
Note: Knurled Rod may not be compatible with some billet upper receivers.