Stihl MS271 & MS291 Bars & Chains | 16", 18", 20"

Stihl MS271 and MS291 bars and chains for these popular mid-range farm and property saws.

Standard pitch is .325". Many versions run .063" (1.6mm) gauge; some use .050" (1.3mm). Common lengths: 16" (67 DL), 18" (74 DL), 20" (80–81 DL depending on brand).

This collection covers the MS271, MS291 and closely related models that share the Stihl Group 3B (3003) mount. We stock genuine Stihl factory bars alongside solid aftermarket options from Sugihara, Oregon, Cannon and Tsumura.

Always check the pitch, gauge and drive-link count stamped on your current bar before ordering.

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Stihl MS271 & MS291 Guide Bars & Chains Fitment Guide

This collection covers the Stihl MS271, MS291 and closely related models that share the standard Stihl Group 3B (3003) bar mount. We stock genuine Stihl factory bars alongside solid aftermarket options from Sugihara, Oregon, Cannon and Tsumura.

Frequently Asked Questions

What chain does a Stihl MS271 or MS291 take?

Most MS271 and MS291 saws run .325" pitch × .063" (1.6mm) chain. Some versions use .325" × .050" (1.3mm). Common drive links: 16" ≈ 67 DL, 18" ≈ 74 DL, 20" ≈ 80–81 DL. Always check the stamp on the motor end of your bar.

Will Sugihara, Oregon, or Tsumura bars fit my MS271/MS291?

Yes. Any bar made for Stihl Group 3B (3003 mount) with matching pitch and gauge will fit. Solid-billet bars from Sugihara and Tsumura are popular upgrades for stiffness and durability.

What is the best bar length for an MS271 or MS291?

The 16" (≈67 DL) and 18" (≈74 DL) are the most common and best balanced lengths for these saws. A 20" bar is usable for extra reach on the MS291 but is near the practical limit for the MS271.

Do I need a new sprocket?

Only if the current one is worn (deep grooves) or you are changing pitch. Standard .325" setups use the original sprocket.