Colt/Umarex M4 .22 LR, this is the model that utilizes a proprietary aluminum trigger pack. I can reduce the pull weight up to 40%+ and eliminate and trigger creep after trigger slack take up. Price runs $65, only the aluminum trigger pack is needed.
Any questions, or to order, please EMAIL me.
Email: wspringfield@comcast.net
colt m4 carbine
Email: wspringfield@comcast.net