AEG Rifle Custom Parts | Tactical Handguard Foregrip Integrated Rail for M16A2 /M4A1/M733   Adjustable rail for M16A2/M4A1/M733 foregrip screw Included bipod mount, you can fit it for you bipod Weight: 100g Color:Black Material: 6061 Aluminum Alloy / Steel Item No.：TRS-11 Suggessted Retail Price：US$ 36.00