Description
This spring kit will significantly reduce the pull needed to cock the gun. Kit uses a recoil buffer to compensate for spring pressure reduction.
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Compatible Gun Models: Thompson 1927/28 A1, M1A1, M1 (can be used with the Aluminum frames as well) TA5 (1927 A-1 Deluxe Pistol)
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Will work with Blank Ammo (using a blank barrel) and Live Ammo.
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Kit includes: 1 Hammer, 1 Firing Pin Spring, 2-Recoil Springs, 1 Urethane Recoil Buffer
Watch our 2 minute installation video: Click here for Video. Click here for Install Instructions.
To order a replacement Urethane buffer Click Here
Thomas Myers (verified owner) –
Just picked up my M1 Thompson SBR from my dealer after getting my ATF Clearance. Once I got it home, it. was near impossible to pull the bolt back. Springs were too strong – and I just finished installing this “Reduced Pull Spring Kit”, and it’s like a totally different gun – the way it should work!!! Thank you, Howell Arms!!!
heritage2000twin (verified owner) –
Just received this Howell reduced spring kit for my new Thompson A1 1927 deluxe rifle and it took about 10 min to install. There are videos on the Thompson web site on how to take apart and then a great video from Howell site as how to install the kit and both are very informative and work. When I purchased this Thompson the action was so hard to pull back I had to have my son help me as I am 68 years old and was a pain to cock and shoot but after I installed this fantastic Howell reduced spring kit I can now put back with absolutely no problems and the spring tension has been reduced by as much as half and now fun to shoot with no problems. Thank you Maggie for your help and making this great item to help my old tired hands to be able to enjoy this great Thompson that I always wanted so if you have one and want a great much more easy spring kit to be able to have more fun with your Thompson here you go. Terry S- U.S.M.C. Retired