- Test/sampler kit — 7 variants of JSB Match .177 pellets, 50 of each, 350 total
- Yellow Match Middle Weight: flat wadcutter, 0.520 g (8.02 gr) in 4.49 mm, 4.50 mm and 4.51 mm head diameters
- Blue Match S100 Heavy: flat wadcutter, 0.535 g (8.26 gr) in 4.49 mm, 4.50 mm and 4.51 mm head diameters
- Straton Diabolo: domed head, 0.535 g (8.26 gr), 4.50 mm — extends the test to an all-round pellet
- Lets you identify which head size and pellet weight your rifle groups best before committing to a full tin
- Hand-picked quality control; JSB Match tradition dating to 1991
- Calibre: .177 (4.5 mm) — airgun pellets only, not firearm ammunition
Finding the head size and weight your air rifle shoots best is a matter of testing, and the JSB Match Diabolo Test Middle/Heavy pack makes that process straightforward. The pack holds 350 pellets across seven variants — 50 of each — covering two JSB Match families in .177 calibre (4.5 mm): the Yellow Match Middle Weight at 0.520 g (8.02 gr) in 4.49 mm, 4.50 mm and 4.51 mm head diameters; the Blue Match S100 Heavy at 0.535 g (8.26 gr) in the same three head diameters. Both of those six variants are flat-headed wadcutters, the classic profile for ISSF and indoor target shooting. A seventh variant — the Straton Diabolo at 0.535 g, 4.50 mm — rounds out the kit with a domed head, extending the comparison beyond pure target shooting into a more versatile all-round pellet. JSB has produced Match-grade pellets since 1991 and subjects each batch to hand-picked quality control, so dimensions within each variant are consistent enough to give a fair like-for-like comparison. Shoot groups with each type under your normal conditions, note which delivers the tightest clusters, then order that variant in bulk. Calibre: .177 (4.5 mm). Pack contains 7 x 50 pellets.
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