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WinSPIW
Winchester SPIW
Country of origin

United States of America

Manufacturer(s)

Winchester

Year(s) designed

1950s

Weapon type

Assault rifle

Caliber

5.6×44mm XM144

Action

Gas-operated

Magazine/Cylinder capacity

40-round detachable drum magazine

Cyclic rate

1700 rounds per minute (three-round burst mode)

The Winchester SPIW was an assault rifle designed for Project NIBLICK.

HistoryEdit

Four designers made designs for Project NIBLICK: Harrington & Richardson, AAI, Springfield and Winchester.

Winchester's design was rather innovative; it had a "short recoil" stock, where there was a spring in the stock. This supposedly allowed the rifle to dramatically increase accuracy when firing three round bursts, but it never really worked and the system was dropped. However, the grenade launcher component was found to be rather interesting and work continued on that portion. The system was later integrated with the Springfield design to little success.

Design DetailsEdit

The Winchester was a conventional rifle with a "short recoil" stock.

AmmunitionEdit

The rifle fired the 5.6×44mm XM144 flechette round.

ReferencesEdit

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