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901778 20" Stainless Steel 77-22lr w/shims

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Product Description

77-22lr, 20" long, stainless steel fluted sporter barrel, 1:16 twist, 2.4 lbs.

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Product Reviews

  1. 10-22 BARREL 5 Star Review

    Posted by on 14th Nov 2016


  2. 20" Fluted SS barrel for Ruger M77/22 5 Star Review

    Posted by on 26th Feb 2016

    Green Mountain produces a quality product and the performance of the barrel and it's fitment is clearly superior to the factory barrel. The factory barrel had over 50,000 rounds fired (by me) when it was replaced and it's performance throughout was good but inconsistent with groups often moving on target from shot string to shot string. I had to tap the GM barrel into the receiver with a rubber mallet as it fit significantly tighter than the factory one did. I fired the first 100 rds per the GM break in protocol at home without firing the rifle for accuracy. I fired only CCI Mini-Mag HP ammunition throughout as that will be the cartridge I use. I fired the second 100 rounds without cleaning the barrel. All rounds were fired from a factory 10 round magazine loaded by a rotary speed loader. Accuracy was initially just OK. After I passed 150 total rounds (50 rds dirty barrel) groups started to tighten. Groups were about 3/4 inch at 50 yards with the last 5 shots fired. (No flyers in the last group) I was shooting over the hood of the pickup with a bag rest. I anticipate that groups will continue to tighten up as the barrel breaks in. As an aside, I shimmed the bolt prior to starting the GM barrel break in as it had loosened over the years. I plan to shoot 1500-2000 additional rounds through this barrel in coming months with ground squirrel season.

  3. Ruger 77/22 Stainless Steel 22" barrel 5 Star Review

    Posted by on 11th Aug 2015

    Sold gun before I shot barrel however from appearance this is a quality barrel . Would recommend this company for any barrel upgrades .

  4. Good looking barrel 4 Star Review

    Posted by on 24th Mar 2015

    Received the barrel today. WIll let you know how it shoots once it is attached. Didn't receive shims noted in the instructions though. Hoping the head spacing is correct.

  5. Very accurate 22 LR Barrel 5 Star Review

    Posted by on 16th Mar 2015

    Easy to install even with economy ammo it is SUPER accurate. Only shot at 50 yards but all the bullet holes are touching . Still in barrel breaking process, but I can see this thing will SHOOT !!!! Thanks for a great product.