CZ 457 MTR Action and stock.
Lilja 26" barrel. Set for Eley.
JARD trigger.
Harrell's Precision Rimfire Tuner. Randolph machine front rest. Protektor rear rest. Eley Tenex. Lithgow LA101 Benchrest Bag Adaptor.
A small trial testing Harrell's Tuner against no tuner.
In short, the tuner 10 target bulls were significantly better than the non-tuner bulls.
The non-tuner 5 round groups however, were better than the tuner groups.
I prefer the more accurate targeting.
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