BIRCHWOOD CASEY - Blue & Rust Remover (BR1) Slim Fit Pants G&P Full Metal Custom M4

G&P Full Metal Custom M4 Series based on WA M4 Gas Blow Back Rifle  WA internal parts with all possible METAL upgrade from G&P such as Hop-up chamber set  Crispy Metal Sounds & Smoother slide cycling  Upgrade Include:  -WA SR16 M4 Metal Body (WP04)  -WA M4 RAS Front Set (Long)  -WA M4A1 Steel Outer Barrel (WP19)  -WA M4A1 Spare Magazine (50rds)  -Knight's Type Front Sight (GP555)  -Military 600m Flip Up Rear Sight (GP254)  -WA M16A2 Grip (Black) (WP44B)  -WA Extended Stock QD Sling Mount (WP55)  -WA M4A1 6 Position Sliding Buttstock (Black) (WP61B)  -WA Hammer Set (WP11)  -WA Knight's Sniper Type Trigger Guard (WP94)  -WA M4 Steel Sear (WP33)  -WA M4 Bearing Hammer Pin Set (WP34)  -WA Steel Bolt Stop (WP51)  -WA SPR Type Cocking Handle (WP52)  -WA M4 Hammer Lock (WP57)  -WA Steel Multi Magazine Catch (WP82)  -WA Ambi Selector (WP88)  -WA Steel Forward Assist (WP76)  -WA M4 Aluminum Buffer (WP81A)  -RIS Grip (Black) (GP033)  -RIS Rail Cover (Black) x 2 (GP032B)  -30mm Reflex Extension Mount  -Military Type 30mm Red Dot Sight (GP121)  Aluminum Made 14mm Clockwise barrel extension tube  Sling mount can be installed with any single

We worked with some of the best outerwear designers in the business to forge this clean uniform look with modern sophistication and all the latest in high-performance technology

Modular Kydex Holster featuring a fold/wrap design with Adjustable Pro-Safe Tensioning) while adding a second level of retention

the RM4 offers the shooter a degree of functional realism not present in previous generations of AEGs

BIRCHWOOD CASEY - Blue & Rust Remover (BR1) Slim Fit Pants G&P Full Metal Custom M4Blue & Rust Remover is a safe, reliable solution that removes rust and old blue easily and quickly without damaging base metal. Safe for removing old finish from firearms, muzzleloaders and antiques. Also excellent for removing rust from tools, gauges and precision instruments. Blue and rust removal is a necessary step before reblueing or browning.