|Place of origin||Soviet Union|
|Designer||Igor Yakovlevich Stechkin|
|Rate of fire||600 rpm (sustained)
2000 rpm (two-round burst)
|Feed system||30 round AK-74 compatible box magazine|
The TKB-0146 (Russian: ТКБ-0146) is a bullpup assault rifle prototype designed by Igor Yakovlevich Stechkin at the TsKIB SOO. The gun participated in the Russian Army's Project Abakan assault rifle trials.
Nikonov's AS[M] and Stechkin's design were the only two truly innovative designs in the Abakan competition that made it to the final testing round; all other 6 competitors that made it that far were based on more conventional designs. Stechkin's design could fire two-round bursts at 2000 rpm or sustained fire at 600 rpm. Stechkin's gun was slightly more accurate than Nikonov's, but turned out less reliable, mainly because it accumulated more fouling. Nikonov's design won and became the AN-94. In TKB-0146, switching from one-round semi-automatic to fully automatic fire was accomplished by a secondary trigger located behind the main trigger. Squeezing the main trigger slightly, fired off a single round. Pulling it back fully, so that it pressed the secondary trigger, enabled fully automatic fire. Switching to the two-round burst mode was done by operating a different lever.
- "У Истоков «Абакана»", Ружьё. Оружие и амуниция, 1998/1, pp. 6-8
- Nowa Technika Wojskowa 2002/03, page 23
- Михаил Дегтярёв, "«Абакан» Стечкина" (Stechkin's Abakan), Калашников. Оружие, Боеприпасы, Снаряжение, 2004/1, pp. 10-16; HTML version
- Оружие И.Я. Стечкина, Официальный сайт Тульского государственного музея оружия, retrieved 2013-4-7
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