Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Select options Add to WishlistAlready In Wishlist Add to Wishlist AR 15 Quad Rails, Rail SystemsMRS-M – AR15 Modular Rail System Mid length $85 The IMI Defense MRS Modular Rail System offers a lightweight, highly ergonomic, mission adaptable rail drop-on handguard. Add to Wishlist