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Handgun

9mm 380acp 40s&w 45acp 10mm 38spl 357 magnum 357sig 44 magnum 22 tcm 5.7x28 45 long colt

Rifle / Carbine

223/5.56 308/7.62x51 7.62x39 300blk 338 arc 350 legend 450 bushmaster 458 socom 6.8 spc 8.6 blackout multi-caliber

Precision / Hunting

6.5 creedmoor 6.5 grendel 6.5 prc 6mm creedmoor 300 win mag 300 prc 338 lapua 7mm rem mag 270 winchester 30-06 45-70 50 bmg 22lr

Shotgun

12 gauge 20 gauge 410 gauge

$Adamson G-100 12GA SYN 20\" Single Shot SG, ADAM G10012S20, Shotgun, 12 Gauge, 20\" Barrel, 1rd, Single Shot, Synthetic Stock, External Hammer.$

In Stock

Caliber

12 gauge

Type

rifle

Last Seen

May 19, 2026

Adamson G-100 12GA SYN 20\" Single Shot SG, ADAM G10012S20, Shotgun, 12 Gauge, 20\" Barrel, 1rd, Single Shot, Synthetic Stock, External Hammer.

Sold byClassic Firearms•Posted Apr 27, 2026

$108.88

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Deal Summary

Currently in stock.
Caliber: 12 gauge
Category: rifle

Price History

Deal Details

Adamson G-100 12GA SYN 20\" Single Shot SG, ADAM G10012S20, Shotgun, 12 Gauge, 20\" Barrel, 1rd, Single Shot, Synthetic Stock, External Hammer.