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#Benjamin franklin air rifle piston serial number#
The serial number can be researched on the Crosman website to determine when and where the gun was made. The left side of the barrel under the bolt should bear the Benjamin company name stamped into the metal underneath a serial number. Benjamin Model 132 Pistol Disassembly, Part 1 Follow Us: To identify an authentic Benjamin air rifle, check two different places for identifying markers.I unscrewed the pump rod from the link coupling. I could not for the life of me loosen this screw.I'll touch on this later. With the worst wiped off.It doesn't look too bad. The upper pistol, a pre-1952 (according to Fletcher's 'The Saint Louis & Benjamin Air Rifle Co.'s') Benjamin 132 was purchased in November and happily doesn't work at all So I'm going to tear into it. With that I pulled out the pump plunger assembly. and still maintain enough speed to cut off MiGs making high speed passes against the piston - engine bomber.29 Moreover. I picked up the lower pistol, a later Benjamin 137 (.177 cal) earlier in the year. So I used a small diameter pin punch to push it out. I lined up the link coupling pin with the hole to remove it but it wouldn't press out.
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Notice the groove that the screw tip locks into. Enough of such mundane matters, on to the fun stuff! The later pistol's barrel seems to protrude beyond the muzzle plug, where the earlier's is flush. The 137 has the model info on the right side. The markings on the breech cap are different. 177 Caliber Nitro Piston Air Rifle with Hardwood Stock Includes 3-9 X 40mm Scope 4.2 out of 5 stars 487 299.98 299. After ordering an RWS 34 to play with I came across a rebuild kit from Pyramyd air that cost about 28 including the special tool to take them apart (I was quoted 100 to rebuild it years ago). 22 cal air rifle when I was 11 but it has been dead for years due to worn out parts. Besides the use of plastic grips on the 137 and some differences in screws, the sight on the earlier pistol is a one piece brass affair, where the later sight is a steel stamping. The first gun given to me was a Benjamin.
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The upper pistol, a pre-1952 (according to Fletcher's "The Saint Louis & Benjamin Air Rifle Co.'s") Benjamin 132 was purchased in November and happily doesn't work at all! So I'm going to tear into it. I picked up the lower pistol, a later Benjamin 137 (.177 cal) earlier in the year. Happy New Year! I finally had a bit of time to buckle down and tear apart some airguns.