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Madbull Adam Arms Gas Block Kit for M4 Airsoft AEG Rifles (Length: Midlength)

1 Customer Review

by Timothy C. on 01/09/2018
"Perfect, very well made. Stronger than average metal with a high class finish. Real steel size, pins aren't gonna clear matrix barrel size holes as of Jan 2018, though - you can punch them in as hard as you want but the pins will just begin to mushroom.

My friend had an old barrel I just traded him for that has larger pin holes that the pins clear, I don't know the brand...straight up 0%...but...if I were to gamble it would be on the 5ku barrel to fit this...the finish looks very similar and mine is some odd carbine length variant with no M203 slot which 5ku offers...what are the odds?

I bought some matrix gas block pins for $3 to see if they'll fit matrix size barrel holes with this gas block...they seem smaller...will update later if that works...

5 star gas block either way