CMP Rimfire Sporter

Rifle-specific details:

Official site: https://thecmp.org/competitions/rimfire-sporter-2/ · Researched 2026-10-11 · Confidence high. Rules change every season; the official rulebook always wins.

Tikka T1x

T1x fit
Only light, scope-limited setups qualify. A T1x with a scope set at 6x or less, a ≥3 lb trigger and a factory stock may fit T-Class if the total weight is ≤ 7.5 lb, so weigh yours. Chassis with adjustable cheeks are out.

CZ 457

457 fit
Light 457s (e.g. American, Lux, Jaguar) with a scope set at 6x or less and a ≥3 lb trigger may fit T-Class if they weigh ≤ 7.5 lb with sights. Heavy-barrel and chassis rifles generally won't.

What it is

A recreation-oriented match for ordinary .22 sporter rifles, shot at 50 and 25 yd on a target with a 1.78 in ten-ring.

Rules, divisions & equipment limits

Classes: O (open sights), T (telescope max 6x, or aperture), TU (tactical/unlimited sights) and optional M (CMP-sold military trainers). The rifle must weigh 7.5 lb or less with sights and one magazine (sling off), and the trigger must lift 3.0 lb. Adjustable cheek-pieces and butt-plates are not allowed. Standard .22 LR only (no magnums or .17s). Bolt guns get extra time in rapid fire.

Scoring

60-shot standard course (600 max); Dewar and benchrest courses are also listed.

How to join

Entries are made with the match sponsor; see the CMP site for fees.

Finding matches

CMP competitions calendar. PractiScore match search

Season & championships

Club matches year-round; a National Rimfire Sporter match is held at Camp Perry (see CMP).

Sources

Next: pack your range bag · targets & sighting-in · first-match checklist