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Old 11-18-2007, 07:45 PM   #1
Join Date: Jul 2004
Posts: 50
Speed up the M3A1 Grease Gun

If anyone here is interested in what I have done and found as a result of doing it, post a reply to that effect and I'll lay it out.
1919A6 is offline  
Old 11-19-2007, 02:45 PM   #2
Join Date: Feb 2003
Posts: 220
I'm interested. I have a Guide Lamp M3A1.
Steve12 is offline  
Old 11-20-2007, 08:58 AM   #3
Senior Member
Join Date: Jul 2003
Location: South Carolina
Posts: 1,118
Ditto.. FWIW, some of my guys told me that building up a series of washers on the spring guide rods worked well.
Al Thompson is offline  
Old 11-24-2007, 07:31 PM   #4
Join Date: Jul 2004
Posts: 50
Sorry, I haven't check this spot lately.

Here it is - Replaced the original springs with Wolfe 1928/M1/M1A1 Thompson springs. Increased the cyclic rate by 50-100 (estimated) rounds per minute. Easy to do, springs are easily obtained and the increased rate of fire is substantial but does not destroy the handling qualities of the Grease Gun.

Try it, you may like it.
1919A6 is offline  

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