Winchester 70

Item #: 401
Pull Weight  
Our Price: $135.15

Description  more details

Timney Featherweight Triggers are precision machined and hand-fitted to provide a crisp trigger pull. They feature a lightweight alloy housing with machined and hardened steel working surfaces. The trigger is fully adjustable. The triger pull weight is adjustable from 1.5 to 4lbs. and is adjustable for creep and overtravel. Minor fitting may be required.

Since it was founded in 1946, Timney Triggers has built a reputation based on the quality of its products. Because of the precision machining and workmanship that goes into each Timney product they are The World's Finest Triggers.™ Each and every Timney Trigger is individually tested and calibrated by hand in the action it was designed for before it's delivered to the customer's door. 

Winchester Model 70 trigger:

Winchester Model 70 firing pin safety adjustment

Winchester model 70 Firing Pin Disassembly:

Winchester Model 70 firing pin safety adjustment Winchester Model 70 firing pin safety Winchester Model 70 firing pin safety Winchester Model 70 firing pin safety

Step # 1: Cock the bolt.

Step # 2: Put rifle on half or intermediate safety (position # 1). It may be necessary to use pliers to pull back the firing pin back enough to engage half safety.

Step # 3: Remove bolt from rifle.

Step # 4: Press and hold down the bolt sleeve lock; while unscrewing the bolt body from the firing pin assembly.

Step # 5: Using needle nose pliers compress firing pin spring. Put the pliers between the firing pin retaining washer and the firing pin retainer. Press down on the spring while twisting off the retainer or sliding out the washer depending on the version of your rifle. Slowly remove the spring from the firing pin.

Step # 6: Slide the firing pin and cocking piece from the safety shroud.

Step # 7: Without changing the angle remove a few thousandths of an inch from this area. We recommend using a flat file and reassembling to test frequently. (Every 5-10 thousandths of an inch.

Winchester Model 70 adjustment of sear for space

If you look through the window the lower arrow is point in when you engage the safety do the trigger and sear disengage? Mean is the sear lifted off the safety? You should be able to see it in the hole when you pull the safety back onto safe.

If it does not but it is not too difficult to engage the safety than I recommend removing a few thousandths of an inch from the flat on the triggers sear as indicated by the top arrow.

Be careful not to change the angle just to remove a couple of thousandths so that the sear and trigger in the hole do not touch when on safe.

Winchester Model 70 (401) Adjustment Instructions

Adjustment Instructions:

1. Cock the rifle (make sure it is unloaded).
2. Using a 1/8 Allen Wrench turn the sear engagement screw clockwise slowly until the rifle fires.

3. Turn the sear engagement screw counter clockwise one flat of the wrench.
4. With the rifle in the fired position turn the over travel screw in until it stops and then turn it counter clockwise one flat of the wrench.
5. Pull weight is factory set at 3lbs. to increase pull weight turn the screw clockwise. To decrease the pull weight turn the screw counter clockwise. The pull weight adjustment works by increasing the spring pressure. The spring is behind the screw; as the screw pressure increases on the spring the pull weight increases. BE CAREFUL not to back the screw out too far. Taking the pull weight below 1.5lbs will cause slam fires.

Tech Guide Downloads

Winchester Model 70 Trigger.pdf
Winchester Model 70 Firing Pin Safety Adjustment.pdf
Winchester Model 70 adjustment of sear for space.pdf
Winchester Model 70 (401) Adjustment Instructions.pdf


Average Rating:
(based on 4 reviews)

Showing 4 Reviews:

by Lampson
on 10/22/2017
from CA
Perfect drop-in fit
I replaced the trigger in a friend's Winchester Model 70 (1966 production). It dropped in perfectly without any modifications. Groups shrank immediately. He had almost given up on the rifle. 
by Keith
on 7/16/2016
from Portal
Winchester 70 "Classic Compact"
Trigger Win 70 #401 works great. Be advised that this trigger will not work with the Model 70 "classic compact" stock. 
Due to the smaller size of the stock the bottom of the trigger housing protrudes preventing reassembly of the trigger guard.   
by Troy
on 1/16/2015
from Phoenix
Model 70
I just purchased this trigger last night and installed it right away. It took me less than 20 min. from start to finish. It doesn't get any easier. The new trigger feels and functions great! I plan on putting these on the rest of my rifles.
by dan s
on 1/5/2015
from johnstown pa
winchester 70
I got this trigger put in my 270 before I went to wyoming on a hunt. After shooting it for the first time I fall in love with it. It breaks like glass every time, every little travle if any. I have it set at three pounds. I like it so much that I'm getting one put in my 700. Can't say enough good things about it. Keep up the good work people at timney!!!!!!!!!!!
Review and Rate this Item

This trigger works with these rifles:

  • Model 70 75th Anniversary Super Grade
  • Model 70 Alaskan
  • Model 70 Coyote Light
  • Model 70 Extreme Weather SS
  • Model 70 Featherweight
  • Model 70 Featherweight Compact
  • Model 70 Safari Express
  • Model 70 Sporter
  • Model 70 Sporter RMEF
  • Model 70 Super Grade
  • Model 70 Super Grade Maple
  • Model 70 Ultimate Shadow Hunter - MossyOak Break-Up Infinity
  • Model 70 Ultimate Shadow SS

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Winchester 70 MOA
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What Is Trigger Pull weight?

Pull weight is the amount of pressure, in ounces or pounds, required to fire the trigger. Or in other words, how hard you have to squeeze the trigger to shoot your rifle. Timney Trigger experts at our Phoenix, Arizona plant hand-test every trigger in its intended action and then set the pull weight at our factory standard, 3 lbs.

If you prefer a different pull weight you simply select it from the drop down above and your Timney Trigger will be customized to your preference.

The #1 reason to replace your factory trigger with a Timney is accuracy. A lighter, crisper, more consistent trigger pull will make you more accurate with your firearm.

Below is a guide for pull weight selection:

2-2.5 pounds

Light trigger pull weights are great for people shooting lighter weight rifles as they can help keep you on target during the shot. Also common weights for target shooting from a bench.

3-3.5 pounds

By far the most common trigger pull weights -this is great for virtually all applications including target shooting, hunting and 3-gun competitions.

4.0 pounds+

Heavy trigger pull weights are good for cold weather hunting or applications where you may be shooting with gloves on.