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Old 7th August 2014, 11:43 AM
Adam Adam is offline
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Join Date: Jan 2009
Member of: Redfearns & the UBC
Location: Leeds
Posts: 583

If it helps, 0.050" is the size of the grubscrew on Crosman pistol breeches, and the GMAC steel breech kits come with that size allen key. So someone that does a lot of Crosman modding might have a spare.
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