Instruction Manual
34
9.3.
R8 Professional Success Stutzen
All R8 Stutzen models are available in two barrel
lengths (52 cm and 58 cm) and two different
barrel contours (Standard with 17 mm and Semi
Weight with 19 mm muzzle diameter).
Stutzen Forearm Version Barrel Length / Barrel Contour
Version 1 520 mm / 17 mm
Version 2 520 mm / 19 mm
Version 3 580 mm / 17 mm
Version 4 580 mm / 19 mm
9.4.
Exchanging the barrel
Removing the barrel:
• Uncock and unload rifle.
• Pull bolt assembly all the way back and remove it.
• Loosen both barrel fastening nuts completely
using Allen key (SW5). The nuts remain in their
guide and cannot get lost.
• Lift barrel at the chamber area and push it for-
wards (refer to Pic. 9.2).
NOTE:
Permanent magnets inserted in the Stutzen forearm
end ensure a firm connection of Stutzen forearm
end and barrel. Removing the barrel is easiest when
the barrel is lifted out at the chamber area and
pushed forward.
Inserting the barrel:
CHECK:
Your Stutzen forearm has to match the barrel di-
ameter and barrel length!
• Put exchange barrel into its channel inside receiv-
er (refer to Pic. 9.3).
• Fasten the two barrel fastening nuts hand-tight
with the Allen key (SW5).
9.5.
Converting the R8 Professional
Success into the R8 Professional
Success Stutzen
• Uncock and unload rifle.
• Pull bolt assembly all the way back and remove it.
• Loosen both barrel fastening nuts completely
using Allen key (SW5). The nuts remain in their
guide and cannot get lost.
• Lift barrel out of receiver.
• Loosen both screws in forearm end (refer to Pic.
9.4) with Allen key (SW5) and remove with safety
washers.
NOTE:
Mind the safety washers (refer to Pic. 9.4a).
• Fold down and pull off forearm end. Insert and
attach Stutzen forearm.
• Insert both screws with safety washers in forearm
end and fasten finger-tight (refer to Pic. 9.5).