You cannot add "HK 416D Style Standard Quad Rail Foregrip Handguard Black" to the cart because the product is out of stock. WAITLIST NOW HK 416A5 Extended Ambidextrous Bolt Catch Release$8900 SKU: AMBIBCA5 Category: hide-from-search Tags: 416, 416A5, MR556 Product ID: 4356 HK 416A5 extended ambidextrous bolt catch/release leaver. These are perfect for the 416, 416A5, 416A7 and any other compatible platform. Requires machining for installation. Steel Black Requires Receiver Machining Factory HK Part Product is out of stock Notify me when this product is back. Please enter a valid email! Subscribe Description Additional information Description HK 416A5 extended ambidextrous bolt catch/release leaver. These are perfect for the 416, 416A5, 416A7 and any other compatible platform. Requires machining for installation. Steel Black Requires Receiver Machining Factory HK Part Additional information Weight 1.0 oz Dimensions 2 × 2 × 1 in Manufacturer HK Related products Out of stock WAITLIST NOW HK MR556 Standard Factory Foregrip Rail Handguard MLOK $14900 Out of stock WAITLIST NOW HK 416 Rear Sight With MP5 Diopter $24900 HK 416A5 Style Quad Rail Foregrip Handguard Tan/RAL8000 $27900 Out of stock WAITLIST NOW HK 416A5 Style Quad Rail Foregrip Handguard Black $27900