G&P WA Steel Bolt Stop Set for M4 GBB Umarex ‧Package include: RAPTOR Rail System

‧Package include: RAPTOR Rail System set x1 / Dummy Gas Block and dummy gas tube set x1 / 14mm CCW Flash Hider with crush washer & O-ring set x1 / Short rail x2 / Long rail x1 / Outer Barrel for WE M4 GBB x1

It designed based on the G98 (Gewher 98) Rifle used by the German Empire and the advanced type Kar98b Carbine developed in 1930

The HK416 has a 9" barrel and a shortened buffer tube to allow a retractable stock to make it even more compact and can easily be stored or carried

03mm inner barrel (Enhanced shooting range up to 50 meter)

3 7mm bearing Gearbox  Fit to store up to 11

G&P WA Steel Bolt Stop Set for M4 GBB Umarex ‧Package include: RAPTOR Rail SystemG&P WA Steel Bolt Stop Set for M4 GBB Steel Metal Construction For replace the Original Bolt Stop Set Suit for WA M4A1 Series G&P WA M4A1 Series Metal Body