Kidd spiral fluted stainless steel barrel

KIDD .22LR Spiral Fluted Stainless Steel Barrel non threaded

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Your Price: $409.00

18" spiral-fluted match bull barrel for Ruger® 10/22® — bead-blasted stainless, 1:16 twist, optional, guaranteed 1/2" at 50 yds. Weight: 3 lb.

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MFN: KIDD-22BRL-SS-FD-18-BB

Availability: In Stock

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Upgrade your Ruger® 10/22® with a distinctive, match-grade 18" fluted bull barrel — spiral fluting.

What makes it special

Distinctive styling: Diamond or spiral fluting gives your rifle a premium, custom look. On a .22 rimfire the fluting is largely aesthetic, but it adds character without sacrificing the benefits of a heavy bull profile.
Match-proven accuracy: Bored and rifled by Lothar Walther (Germany), finished and hand-lapped by Tony Kidd, and chambered with a proprietary reamer for reliable, smooth feeding. Guaranteed 1/2" at 50 yards (5 shots).
Extraction reliability: Our precision convex extractor slot keeps the extractor aligned with the case rim to eliminate common extraction issues — a high-precision feature made possible by costly tooling and tight tolerances.

Key specs

Fitment & avoiding barrel droop

Barrel droop is caused by an insecure or inconsistent tenon/shoulder fit. We eliminate droop with:

A precise fit between tenon and receiver, with a consistent diameter along the tenon length.
A precisely machined shoulder with a relief cut to allow the shoulder to seat flush against the receiver providing full support.

When properly fitted, v-block screws only need to be snug (~10 in-lb) — tight enough to prevent forward movement without distorting alignment.

Installation tips

If using another brand of receiver clean paint/build-up from the receiver mortise before installing.
Apply a light coat of grease to the tenon to ease installation—use sparingly.
Begin inserting the tenon while aligning the extractor slot. Tap the rear of the receiver with your palm; if resistance increases, use a rubber mallet to fully seat.
Recheck extractor alignment by matching the level of the receiver’s bottom flat with the barrel’s v-block cutout.
Run two magazines through the barrel before evaluating groups, and repeat when changing ammunition brands.
Keep the chamber clean but avoid over-cleaning the bore—excessive cleaning can reduce accuracy. Typical bore cleaning interval~ every 500 rounds, depending on ammo