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1 x CNC Aluminum Hard Concave Nub (4mm)
Great replacement position option from SHS
This 500rd Hi-Cap Magazine is one of the best Hi-Cap M4 magazine available
The one-piece structured die-casting improves firmness of the chamber and stabilizes the muzzle velocity
Compatible with most Hi-capa GBB magazines
Retro Arms CNC Machined Aluminum Hop-Up Unit for AK Series PTFE 1 x CNC Aluminum HardSick on the polymer plastic AK hop ups with that weak little adjustment arm.. me too! That's why I brought these bad Boys in! CNC machined construction Anodized finish provides style and durability Constructed from EN AW 7075 for extended lifespan All required hardware included Assembly required
