ICS MP5 A3
i have an ICS MP5 A3 and i am interested in putting a tightbore barrel and the special "V" shaped hop up bucking in it. i have see the deescustoms tightbore barrels and have heard very good reviews for them, i would like to know where to purchase the tightbore and the special V shaped hop up. also if you have any other suggestions about a brand or any other inexpensive modification to get my MP5 shooting more accurately that would be appreciated.
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