The Hawke PCP Bottle Clamp Ring Bipod Adaptor (model 70051) provides a non-invasive mounting solution for bottle-fed pre-charged pneumatic (PCP) air rifles. Machined from high-grade aluminium with a matte black finish, this clamp attaches directly to the rifle's forward air bottle without requiring any drilling into the wooden or synthetic stock. It equips the rifle with a standard Quick-Detach (QD) swivel stud, allowing shooters to mount Harris-style bipods or standard sling swivels directly to the air reservoir.

Key Features

• Non-Invasive Stock Mounting: Secures firmly around forward buddy bottles to create an accessory attachment point without modifying the rifle's factory stock.
• Integrated QD Swivel Stud: Provides direct compatibility with standard stud-mounted bipods and quick-detach sling hardware.
• Durable Aluminium Build: Constructed from lightweight, high-grade aluminium to maintain structural rigidity while minimising front-end weight.
• Targeted Fit Profile: Engineered to fit air reservoirs with outer diameters ranging from 48 mm to 53 mm (nominal 50 mm / 1.9 to 2.1 inches).

Product Specifications

• Model Number: 70051
• Clamping Range: 48 mm to 53 mm (1.9″ to 2.1″)
• Nominal Diameter: 50 mm (2.0″)
• Interface: Standard Quick-Detach (QD) sling/bipod swivel stud
• Material: High-grade aluminium
• Finish: Matte black
• Package Weight: 88.5 g (0.195 lb)
• Operation: Fully mechanical

Who is the Hawke PCP Bottle Clamp Adaptor 1.9-2.1" for?

• PCP Air Rifle Pest Control and Vermin Shooters — Mounts a stable bipod or carry sling via the standard QD swivel stud without drilling into the rifle stock, maintaining structural integrity on field rifles carrying 48 mm to 53 mm buddy bottles.
• Hunter Field Target Airgun Competitors — Delivers a solid front accessory anchor while adding only 88.5 g of package weight to the front of the airgun, preserving optimal balance across standing, kneeling, and prone shooting positions.
• Air Rifle Benchrest Shooters — Secures a rigid, repeatable Harris-style bipod base directly to nominal 50 mm buddy bottles (such as Theoben 280cc or BSA Superten 200cc reservoirs) for precision bench resting where forend stock space is limited.

Less suitable for: Air rifles equipped with larger 60 mm buddy bottles (400cc to 500cc cylinders), which exceed the 53 mm maximum diameter threshold and require a dedicated 60 mm bottle clamp, or standard tubular cylinders (25 mm to 34 mm) that require smaller specialized tube mounts. It is also unsuitable for shooters requiring native Picatinny or Arca-Swiss rail mounts without adding secondary stud-to-rail adapters.