RCBS RASS User Manual
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Remove the M12x1.75x60mm Hex Bolt and M12x1.75 Acorn Nut from the Seat Bar. Keeping the Bushings in place, place the Seat
Bar in the slot of Seat Collar. Align the holes and reinstall the Hex bolt and Acorn Nut (see Photo 2).
Remove the Quick Pin from the rear of the Seat Bar and slide the Seat onto the Seat Bar (see Photo 3). NOTE: The vertical portion of
the Seat Bracket is the ‘front’ of the seat. WARNING: FAILURE TO INSTALL THE SEAT PROPERLY COULD CAUSE THE
SEAT TO TIP BACKWARDS. FAILURE TO COMPLY WILL RESULT IN AN UNSAFE CONDITION THAT MAY CAUSE
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. Reinstall Quick Pin.
Remove the Quick Pin securing the Seat Collar to the center Main Shaft and raise to the second highest position. NOTE: One hole will
be showing below the Seat Collar at this position (see Photo 4). Reinstall the Quick Pin.
Photo 4 Photo 5 Photo 6
Install the Center Post assembly and tighten the lower Knob to secure (see Photo 5).
Raise the Rifle Platform Adapter to the middle position by loosening the Knob, raising and rotating the Upper assembly and placing it
in the middle position (see Photo 6). Tighten Knob.
Loosen the Pivot Cam Lever and install the Rifle Rest assembly onto the Center Post assembly (see Photo 7) and tighten the Pivot
Cam Lever. Install the Rear Rifle Cradle and Recoil Strap into the center position and tighten the Locking Knob (see Photo 8).
Remove one Adjusting Knob from the Front Rifle Rest shaft. Slide the Front Rifle Rest assembly into the center slot of the Rest
assembly (see Photo 9). Install the second Adjusting Knob onto the Front Rifle Rest Shaft and secure.
Photo 7 Photo 8 Photo 9
The Neoprene padded Arm Rest is secured with hook and loop fasteners. It should already be installed on the Rest assembly but you
may need to readjust it for a proper fit. (see Photo 10).
Hook the Ammo/Case Tray onto the Rifle Rest assembly (see Photo 11).
Photo 10 Photo 11