Atlas Bipods Folding Vertical Fore Grip Black GEN. 1. 1 BT27 did not offer a 45 degree position we did not have an answer. Now it does The newly redesigned GEN. 1 BT27 Folding Vertical Fore Grip offers two opposing at surfaces to secure light switches with the installed Buna O-Rings. Removing the bottom cap reveals a storage compartment designed to hold a single 123 battery. The unique design protects the battery from being drained by placing the positive side (+) towards the relieved cap. We also trimmed the handle to decrease weight while maintaining battery storage and touch pad retainers. Available in black only. Specifications for Atlas Bipods Folding Vertical Fore Grip GEN. 1 BT27: Manufacturer: Atlas Bipods Color: Black Length: 4.073 in Weight: 5.225 oz Additional Features: Storage Compartment Holds 1 x 123A Battery Mount Type: Picatinny Gun Rail: Picatinny Country of Origin: USA Package Contents: Atlas Bipods Folding Vertical Fore Grip Atlas Bipods BT27: Folding Vertical Fore Grip Black