PROMAG Picatinny Rail Cover with O-Ring Sealed Storage Compartment (PM147)
- Provides a secure storage compartment that holds (2) 123A batteries or other parts
- Fits firearms with Picatinny rails
- Over-all length is 6.25"
- Constructed of high impact polymers
- Made in the U.S.A.
- Black Finish
- Limited Lifetime Warranty