Modify Hybrid 6.03mm Precision Inner Barrel 285 mm for M4 CQB-R, MC51 40 litre 400 GSM weight fleece for

400 GSM weight fleece for a great warmth/weight balance that is just right for up the hill or along the river flats

-Vertical design

- One size fits most

This pack is 25 litres of convenience specially designed with the day trip in mind

and minimizes moisture entering the pad

Modify Hybrid 6.03mm Precision Inner Barrel 285 mm for M4 CQB-R, MC51 40 litre 400 GSM weight fleece for1st Class Stainless Steel + Aircraft Aluminum Alloy. Extremely Straight with High Rigidity and Accuracy Guided by an O Ring to reduce barrel vibration. Comes with a Modify 2 Ring+ Hop Up Bucking, Airtight up. Material Aircraft Aluminum Alloy Material Stainless Steel DESCRIPTION Modify's Hybrid 6. 03x285mm Precision Inner Barrel for M4 CQB R, MC51 The Modify Hybrid Precision Inner Barrel is 285mm long with inner diameter of 6. 03mm, suitable for M4 CQB