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AR15.COM
Armory Sponsor
10/28/2006 12:02:52 PM EDT
I recently got an 1187P and really like it. It runs 100%. I had my gunsmith put a Vang big head safety & ss follower, a SG side saddle & DMW tact bolt handle on it. I think I'll swap out the factory ext tube for a Scattergun since I want a beefier one than the factory.

I was wondering if the following factory parts were stainless steel or carbon; the recoil spring system, the barrel seal, gas piston & barrel seal.

Thanks!
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