SKOUT Recommended
Ammo the SKOUT team shoots and recommends for the Semi and EVO.
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Browse every pellet we carry from AEA, JSB and JTS.
SKOUT Airgun Calculators
Quick math for tuning and picking ammo. Enter your numbers and press Calculate.
Energy
Muzzle energy from velocity and projectile weight.
Velocity
Velocity from a known energy and projectile weight.
Ballistic Coefficient
G1 BC from two chronograph readings taken at two distances.
Uses the standard G1 drag model at sea-level standard conditions (59°F). Best results with readings at least 25 yards apart.
View the SKOUT ammo chart as a table (35 loads)
Pellet and slug loads for SKOUT EVO, EVO Compact and SKOUT Semi barrels, with velocity (fps) and muzzle energy (ft-lb). Compiled Sep 29, 2026. Muzzle energy = weight (gr) × velocity² ÷ 450,240.
| Barrel family | Type | Projectile | Weight (gr) | Size | Velocity (fps) | Energy (ft-lb) | Notes |
|---|---|---|---|---|---|---|---|
| Evo / Compact — .177 In-house, hard-coated alloy, 1:20 twist | Pellet | JSB 8.44gr (Match Exact) | 8.44 | .177 | 783–793 | 11.5–11.8 | derived UK-market tune (≤12 ft-lb legal limit). Catalog weight 8.44gr (logged as "8gr"). Velocity derived from stated muzzle energy. |
| Evo / Compact — .177 In-house, hard-coated alloy, 1:20 twist | Pellet | JSB 10.34gr (Exact Heavy) | 10.34 | .177 | 708–717 | 11.5–11.8 | derived UK-market tune. Catalog weight 10.34gr (logged as "10gr"). Velocity derived from stated muzzle energy. |
| Evo / Compact — .177 Lothar Walther, polygonal, ~1:18 twist (TBC) | Pellet | JSB 8.44gr (Match Exact) | 8.44 | .177 | 783–793 | 11.5–11.8 | derived UK-market tune. In-house barrel believed to edge this one out slightly. Catalog weight 8.44gr. Velocity derived. |
| Evo / Compact — .177 Lothar Walther, polygonal, ~1:18 twist (TBC) | Pellet | JSB 10.34gr (Exact Heavy) | 10.34 | .177 | 708–717 | 11.5–11.8 | derived UK-market tune. Catalog weight 10.34gr. Velocity derived. |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther, 28" (Evo) / 17.5" (Compact), 1:15.75 twist | Pellet | AEA Center Punch 21.9gr | 21.9 | .22 | 975 | 46.2 | chronographed Recalled as "22.7gr"; AEA's actual .22 Center Punch line runs 15.9/18.3/21.9/25.3gr — no 22.7gr SKU exists, so this is almost certainly the 21.9gr pellet. Also shot in the Skout Semi (see that facet) at a lower velocity. |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther, 28"/17.5", 1:15.75 twist | Pellet | JSB 25.39gr (Jumbo Monster) | 25.39 | .22 | 930 | 48.8 | chronographed Catalog weight 25.39gr (logged as "JSB 25gr"). Same pellet also shot in the Skout Semi at 840 fps (see that facet). |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther, 28"/17.5", 1:15.75 twist | Pellet | AEA Center Punch 25.3gr | 25.3 | .22 | 930 | 48.6 | chronographed Catalog weight 25.3gr (logged as "AEA 25gr"). Same pellet also shot in the Skout Semi at 840 fps (see that facet). |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther, 28"/17.5", 1:15.75 twist | Slug | Varmint Knockers Where to buy: eBay (Varmint Knockers) ↗ | 32.8 | .217 | 1000–1060 | 72.9–81.9 | chronographed Sub-MOA at 100 yd. — 100 yd outdoor |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther, 28"/17.5", 1:15.75 twist | Slug | NSA 31.2gr Where to buy: Nielsen Specialty Ammo ↗ | 31.2 | .2167 | 1045–1050 | 75.7–76.4 | chronographed Very consistent velocity shot to shot. |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther, 28"/17.5", 1:15.75 twist | Slug | H&N 34gr Where to buy: Pyramyd AIR ↗ | 34 | .217 | 1000–1030 | 75.5–80.1 | chronographed |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther, 28"/17.5", 1:15.75 twist | Slug | NSA 35gr Where to buy: Nielsen Specialty Ammo ↗ | 35 | .217 | 1000 | 77.7 | chronographed |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther, 28"/17.5", 1:15.75 twist | Slug | Griffin 34gr boat tail Where to buy: Griffin Airguns (34 gr boat tail, .217 or .218) ↗ | 34 | — | — | — | no data yet Tested; velocity not recorded. |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther, 28"/17.5", 1:15.75 twist | Slug | AEA slug Where to buy: AEA Airguns (all slugs) ↗ | — | .22 | — | — | no data yet Grouped sub-MOA at 100 yd; weight and velocity not recorded. — 100 yd |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther, 28"/17.5", 1:15.75 twist | Slug | AirMarksman ACE Precision Where to buy: Utah Airguns ↗ | 40.1 | .2175 | 920 | 75.4 | chronographed Catalog check: AirMarksman "ACE" Precision Slug, .22 cal, 40.1gr, .2175", boat tail — confirmed exact match. |
| Evo / Compact — .22 (Lothar Walther) Lothar Walther — custom-swaged slug program (Thorn press) | Custom slug | Custom-swaged slug | 41.1 | .2167 | 956–959 | 83.4–84.0 | chronographed Swaged and sized down from FX Panta ~.2173" to .2167". HP regulator 162 bar (~2,350 psi). Groups ~1/2 MOA. — 100 yd (6 MOA hold) / 75 yd (2 MOA hold) |
| Evo / Compact — .25 (Lothar Walther) Lothar Walther, 28"/17.5", 1:16 twist | Pellet | AEA Center Punch 29.5gr | 29.5 | .25 | 930 | 56.7 | chronographed Catalog weight 29.5gr (logged as "AEA 29gr"). |
| Evo / Compact — .25 (Lothar Walther) Lothar Walther, 28"/17.5", 1:16 twist | Pellet | AEA Center Punch 33.9gr | 33.9 | .25 | 930 | 65.1 | chronographed Catalog weight 33.9gr (logged as "AEA 33gr"). |
| Evo / Compact — .25 (Lothar Walther) Lothar Walther, 28"/17.5", 1:16 twist | Pellet | JSB King Heavy MkII 33.95gr | 33.95 | .25 | 930 | 65.2 | chronographed Catalog weight 33.95gr (logged as "JSB 33gr"). |
| Evo / Compact — .25 (Lothar Walther) Lothar Walther, sub-MOA barrel — factory tune | Slug | NSA 33.5gr — factory tune Where to buy: Nielsen Specialty Ammo ↗ | 33.5 | .250 | 930 | 64.4 | chronographed Cooler tune; opens up noticeably by 200 yd. — 100 yd (<1") / 200 yd (5–7") |
| Evo / Compact — .25 (Lothar Walther) Lothar Walther, sub-MOA barrel — after fire-lap & re-crown | Slug | NSA 33.5gr — hot tune Where to buy: Nielsen Specialty Ammo ↗ | 33.5 | .250 | 1050 | 82.0 | chronographed Same load run hotter (1050+ fps) after fire-lapping/re-crowning; grouped much better at 50 yd. Energy shown is a floor. — 50 yd |
| Evo / Compact — .25 (Lothar Walther) Lothar Walther, separate barrel | Slug | NSA 38.5gr Where to buy: Nielsen Specialty Ammo ↗ | 38.5 | .254 | 925 | 73.2 | chronographed Shoots well. |
| Evo / Compact — .25 (Lothar Walther) Lothar Walther, separate barrel | Slug | AVS 42gr (flat-nose) Where to buy: AVS Slugs (pick 42 gr) ↗ | 42 | .254 | 920 | 79.0 | chronographed Very consistent. |
| Evo / Compact — .25 (Lothar Walther) Lothar Walther, separate barrel | Slug | Varmint Knockers 32.8gr Where to buy: eBay (Varmint Knockers) ↗ | 32.8 | .217 | 925 | 62.3 | chronographed Flag: VarmintKnockers' only 32.8gr/.217 SKU found is their .22-caliber slug (their .25-cal line runs 34gr+ at .25 sizing). Likely the same .22-cal slug as in the .22 facet, possibly logged under the wrong caliber — confirm with the tester. |
| Evo / Compact — .25 (Lothar Walther) Lothar Walther, separate barrel | Slug | H&N 34gr Where to buy: Pyramyd AIR ↗ | 34 | .217 | 980 | 72.5 | chronographed Flag: H&N's 34gr/.217 slug is a catalog .22-caliber product. Likely the same .22-cal slug as in the .22 facet, possibly logged under the wrong caliber — confirm with the tester. |
| Evo / Compact — .30 (Lothar Walther & Moab) Lothar Walther, polygonal | Pellet | AEA Center Punch 50.5gr | 50.5 | .30 | 950 | 101.2 | chronographed Catalog weight 50.5gr (logged as "50gr"). Pellets only for .30 at this time. |
| Evo / Compact — .30 (Lothar Walther & Moab) Moab — in-house stainless bull barrel, 1:36 twist | Pellet | AEA Center Punch 50.5gr | 50.5 | .30 | 950 | 101.2 | chronographed Catalog weight 50.5gr. Most expensive, most precise barrel; not available on Evo Compact. Pellets only. |
| Evo / Compact — .30 (Lothar Walther & Moab) Lothar Walther / Moab | Pellet | AEA 45gr | 45 | .30 | 930 | 86.4 | chronographed Shoots very well; moves in the wind a little more than the 50gr. |
| Evo / Compact — .30 (Lothar Walther & Moab) Lothar Walther / Moab | Pellet | JSB 44.75gr | 44.75 | .30 | 930 | 86.0 | chronographed Not consistent in weight — requires heavy sorting. Softer lead than AEA's. |
| Evo / Compact — .357/.35 (in-house) In-house, ~36", pellet only | Pellet | .357 (.35) 81gr | 81 | .357 | 775 | 108.1 | chronographed Does well at this weight. |
| Skout Semi — .22 (in-house) In-house, electrochemical rifling, 15.5", 1:15.75 twist | Pellet | AEA Center Punch | 18.3 | .22 | 900 | 32.9 | chronographed Standard out-of-box load; highly recommended. — 50–75 yd (also tests well <50 yd) |
| Skout Semi — .22 (in-house) In-house, electrochemical rifling, 15.5", 1:15.75 twist | Pellet | JTS Dead Center | 18.1 | .22 | 900 | 32.6 | chronographed Standard out-of-box load; highly recommended. — 50–75 yd |
| Skout Semi — .22 (in-house) In-house, electrochemical rifling, 15.5", 1:15.75 twist | Pellet | JSB Jumbo Monster Light | 20.83 | .22 | 900 | 37.5 | chronographed Standard out-of-box load; highly recommended. — 50–75 yd |
| Skout Semi — .22 (in-house) In-house, electrochemical rifling, 15.5", 1:15.75 twist | Pellet | AEA Center Punch 21.9gr | 21.9 | .22 | 880 | 37.7 | chronographed Heavier AEA option shot alongside the 18.3gr load above. Recalled as "22.7gr" — no such AEA SKU exists; 21.9gr is the nearest real catalog weight. Same pellet also shot in the Evo/Compact at 975 fps (see that facet). |
| Skout Semi — .22 (in-house) In-house, electrochemical rifling, 15.5", 1:15.75 twist | Pellet | JSB 25.39gr (Jumbo Monster) | 25.39 | .22 | 840 | 39.8 | chronographed Catalog weight 25.39gr (logged as "JSB 25gr"). Same pellet also shot in the Evo/Compact at 930 fps (see that facet). |
| Skout Semi — .22 (in-house) In-house, electrochemical rifling, 15.5", 1:15.75 twist | Pellet | AEA Center Punch 25.3gr | 25.3 | .22 | 840 | 39.6 | chronographed Catalog weight 25.3gr (logged as "AEA 25gr"). Same pellet also shot in the Evo/Compact at 930 fps (see that facet). |