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SERIES II STONING FIXTURE Reviews & Ratings

Eliminates the guesswork and gives an accurate, repeatable method to achieve a crisp, clean-breaking trigger pull on semi-automatic firearms. Individual, easy-to-change Adapters attach to a precision-ground indexing elevator column and clamps the hammer in the right position for correct stoning with the specially ground Series II India Stone. Adjustable design lets you change hammer angle to meet the shooters’ precise needs. Series II India Stone required for use. Purchase separately. Universal Adapter (described below) adds incredible versatility.

SPECS: Steel, blued, precision ground and hardened. 5" (12.7cm) 4" (10cm) high, 3" (7.6cm) wide. Fixture includes 1 Adapter, hammer and sear clamp, three Allen wrenches and instructions. .154" Adapter fits AR-15/M16 with .154" dia. hammer and trigger pins. .173" Adapter fits Colt Commercial AR-15 only.

See all of our AR15s and AR15 parts here.

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Reviews Summary

Overall, customers appreciate the high quality and precision of the Series II Stoning Fixture, noting it as an essential tool for professional gunsmiths. However, several reviewers highlight frustrations with unclear instructions and a steep learning curve, suggesting that the fixture may be best suited for those with experience in gunsmithing.

What Reviewers Are Saying

Product Quality

60%

Many reviewers commend the series II stoning fixture for its robust construction and precision, indicating that it serves as a reliable tool for serious gunsmiths. Users noted that, despite its challenges, it ultimately performs exceptionally well when set up correctly.

Instructions and Learning Curve

53%

A common point of concern among reviewers is the poor quality of the instructions that accompany the fixture. Many found them confusing or lacking detail, contributing to a steep learning curve. Several users recommended additional guides or videos to assist in the setup process.

Target Audience

40%

Reviewers generally agree that this fixture is tailored towards skilled professional gunsmiths rather than hobbyists. Those with prior experience noted that they found it much more effective, while less experienced users often felt overwhelmed or frustrated with the setup and usage.

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Wasteof money

The worst thing is that the instructions look they were writen by a third grader. I got an adaper for a 1911 and the indexing marks on the tool do not match up with the instructions. I emailed the company requesting the correct instructions for the unit I purchased and have never heard back from them.