Mcarbo trigger spring

Rogerdoger

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Joined
Jan 29, 2025
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74
Location
Montana
Anybody put a Mcarbo trigger spring on a Winchester 70? If so how did you like it? Since you remove the two nuts it seems like there is no adjustment.
 
Did one this past summer. Agree with MThuntr, no replacement trigger but did make a noticeable difference. I did no other adjustments besides the spring swap.
 
I recently installed one in my Model 70 Featherweight, it made a noticeable difference, just the spring change. Dropped the trigger pull weight by almost 2 pounds, now at 2.5 pounds. Have also done my 2 Browning X Bolts, and my Remington 750. All good!
 
Yeah, plenty of folks have installed the M CARBO trigger spring kit on Winchester 70s especially pre 2008 models, and the feedback is overwhelmingly positive for a cheap upgrade.

Drops pull weight dramatically often from 5–6 lbs down to 2–3 lbs some report 1–2.5 lbs, with a crisp, clean break and no creep overtravel.

Super easy install 10–15 mins, drop in replacement for the old springs.

Great value $18–20 many say it turns a meh factory trigger into something really nice or one of the best without buying a full Timney Jard replacement.

On the adjustment You're right the kit removes the two locknuts which were the old overtravel engagement adjusters, so there's no traditional adjustment left. It's designed as a fixed lighter pull. Most users are fine with that since the result is crisp and safe no slam fires reported. If you want adjustability, go full aftermarket trigger instead.

Short answer If you're okay with a set it and forget it lighter pull and most are thrilled, it's a no brainer win. Tons of happy hunters bench guys swear by it.
 

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