SIG 556


SIG 556

SIG 556xi

SIG 552

SIG M400

SIG 516

SIG 551

SIG 716

Sig 551, 556, 556xi and 522 rifles, carbines and pistols, 1st and 2nd stage pull reduced about 1.5 lbs, second stage creep reduced to a very short, smooth clean break. Price runs $75, the lower receiver is needed.


MPX, MCX, pull weight reduced with a very crisp hammer release. 3# runs $85, 4# runs $75. The lower assembly with the trigger group is needed.


M400, 516, 716: A  4lbs pull, very short, smooth, clean break. $45, add $5 for "speed hammer" modification. 3lbs pull price is $59, 2.5lbs is $69. the 2.5lbs uses a new JP match spring set installed. 2.5 & 3# have the hammer tail removed ("speed hammer") included in the price.



Priority Mail return postage is included in all prices!


Any questions, or to order, please EMAIL me.