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- 11 Mar 2017, 18:54
- Forum: PS90 & Other 5.7x28mm Rifles
- Topic: HK MP7 chambered in 5.7 x 28
- Replies: 19
- Views: 8355
You can SBR the 5.7 pistol with KPOS. Have the barrel threaded for suppressor & get as close as you are going to get for MP7. Warning that would turn your pistol into a 2 stamp gun. All NFA rules would apply. http://www.fab-defense.com/en/category-pistol-to-carbine-conversion-kit/id-267/pdw-conversi...