azmaxfan Posted March 7, 2011 Posted March 7, 2011 (edited) A friend is buying a Factory Benelli M4 two shot extension and asked if he needs a new spring with this setup? I said duh... I need to on Benelli USA Forums to ask. I couldn't convince him to buy a one piece mag. Thanks in advance for the answer. Edited March 8, 2011 by azmaxfan Quote
StrangerDanger Posted March 7, 2011 Posted March 7, 2011 It should work fine, but a replacement from carriercomp would perform better. Quote
daniel333 Posted March 7, 2011 Posted March 7, 2011 mine worked fine with the factory spring and +2 extension. Quote
kendeepdiver Posted March 8, 2011 Posted March 8, 2011 I just shot my M4 for the 1st time last weekend with a factory Benelli + 2 extension tube (# 81043p) with stock spring & put about 100 rounds thru it with no concerns.I am puting a full length tube on it tonight & will be selling the Benelli + 2 tube. Looks like new($75.00 shipped) or best offer.Please contact me by e=mail or phone. Shipped from sarasota florida Thanks, Ken kendeepdiver&hotmail.com 941-350-3501 Quote
azmaxfan Posted March 8, 2011 Author Posted March 8, 2011 I just shot my M4 for the 1st time last weekend with a factory Benelli + 2 extension tube (# 81043p) with stock spring & put about 100 rounds thru it with no concerns.I am puting a full length tube on it tonight & will be selling the Benelli + 2 tube. Looks like new($75.00 shipped) or best offer.Please contact me by e=mail or phone. Shipped from sarasota florida Thanks, Ken kendeepdiver&hotmail.com 941-350-3501 E-mail sent. I'll take it and sell to my friend. Quote
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