Comments on: Barrel End Threading — Bigger Diameter is Better https://bulletin.accurateshooter.com/2021/07/barrel-end-threading-bigger-diameter-is-better/ from AccurateShooter.com Thu, 30 Apr 2026 14:59:33 +0000 hourly 1 https://wordpress.org/?v=4.1.26 By: Peter https://bulletin.accurateshooter.com/2021/07/barrel-end-threading-bigger-diameter-is-better/comment-page-1/#comment-59858 Wed, 14 Jul 2021 07:38:35 +0000 http://bulletin.accurateshooter.com/?p=66141#comment-59858 Question, Had 308W sporting rifle barrel 0.5″ dia at the muzzle fitted with muzzle break and accuracy has deteriorated from less than 1MOA to just over 2MOA

Would back boring by the thread length recover accuracy?

]]> By: David Lawson https://bulletin.accurateshooter.com/2021/07/barrel-end-threading-bigger-diameter-is-better/comment-page-1/#comment-59855 Tue, 13 Jul 2021 11:41:15 +0000 http://bulletin.accurateshooter.com/?p=66141#comment-59855 The belling effect will ruin your accuracy. Go three quarters every time.

]]> By: Patrick https://bulletin.accurateshooter.com/2021/07/barrel-end-threading-bigger-diameter-is-better/comment-page-1/#comment-59852 Mon, 12 Jul 2021 18:30:24 +0000 http://bulletin.accurateshooter.com/?p=66141#comment-59852 Has anyone tested if a clamping style muzzle device such as the Badger FTE brake exerts enough compression to offset the belling effect?

]]> By: Mike https://bulletin.accurateshooter.com/2021/07/barrel-end-threading-bigger-diameter-is-better/comment-page-1/#comment-59850 Mon, 12 Jul 2021 16:14:57 +0000 http://bulletin.accurateshooter.com/?p=66141#comment-59850 A “commercial” barrel doesn’t reveal the muzzle bore diameter before threading to 5/8-24, and is therefore not conclusive. You must start with a premium barrel, measured muzzle bore, then thread to 5/8-24, and measure again.

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