I guess this would be the right place for this...
Training
http://www.arm.gov/sites/nsa/870.stm
aslet website shut down due to legal reasons
http://www.alpharubicon.com/leo/pumpshotgeli.htm
General Information
http://www.alpharubicon.com/leo/rem870.htm
http://world.guns.ru/shotgun/SH00-E.HTM
http://world.guns.ru/shotgun/sh17-e.htm
http://www.firearmstactical.com/briefs29.htm
http://www.remington.com/pdfs/shotgun.pdf
http://www.remington.com/whatsnew/brrls_choke/sgbct.htm
http://www.chuckhawks.com/index2c.shotguns.htm
http://www.borelliconsulting.com/evals/guns/rem870.htm
http://www.backwoodshome.com/articles2/ayoob031221.html
http://www.jtk3.com/laissezfirearm/870full.htm
http://www.blackwaterusa.com/btw2004/ar ... 22epp.html
http://www.gunshopfinder.com/gunarticles.html
http://www.homegunsmith.com
http://en.wikipedia.org/wiki/Remington_870
http://www.oegmag.com/RemingtonModel870.asp
http://www.remingtonsociety.com/rsa/journals/870
http://hunting.about.com/od/guns/l/aastremmag5b.htm
http://www.washingtonpost.com/wp-dyn/co ... 14558.html
Tools
http://www.brownells.com/
http://www.bhigear.com/browseproducts/Remington-870-Armorer's-Kit.html
Suggested Spare Parts
http://www.alpharubicon.com/leo/firearmspartslist.htm
From the book "Survival Gunsmithing"
Basic Parts Kit
*Firing Pin
*firing pin return spring
*extractor
*extractor plunger
*extractor spring
*right shell stop
*left shell stop
Complete Parts Kit
*includes basic parts plus
*ejector
*ejector spring
*ejector rivets (2)
*carrier assembly
*trigger housing pins
*magazine spring
*magazine spring retainer
*trigger housing pin spring retainer clips
*trigger assembly
*bolt
**complete trigger housing would easier to install than carrying all the individual parts
Firearms safety
http://www.remington.com/pdfs/sftybklt.pdf
Takedown/Cleaning
http://www.e-gunparts.com/DisplayAd.asp?chrProductSKU=956470&chrSuperSKU=&MC=
http://www.alpharubicon.com/leo/pumpcleaneli.htm
http://www.alpharubicon.com/leo/870brian.htm
http://refugeforums.com/refuge/showthre ... adid=66406
Owner's Manual
http://www.remington.com/pdfs/om/om_870.pdf
http://www.remingtonle.com/support/prtsvc/870_om.html
Modifications
http://refugeforums.com/refuge/showthre ... did=175266
Aftermarket parts
http://www.atigunstocks.com/
http://www.royalarms.com/
http://www.midwayusa.com
http://www.knoxx.com
http://www.riflestock.com/
Books
Books I have looked at or own
*Shotgunning for deer ISBN: 0-88317-237-2
*Survival Gunsmithing ISBN: 0-87947-060-7
*Troubleshooting your rifle and shotgun ISBN: 0695-81198-3
*Shotgun Gunsmithing ISBN: 0910676542
*Gunsmithing Shotguns ISBN: 0873419200
*Kuhnhausen Shop Manual from
www.brownells.com
*Tactical Shotgun : The Best Techniques And Tactics For Employing The Shotgun In Personal Combat ISBN: 0873648986
*Do-It-Yourself Gun Repair ISBN: 0972280421
Books I haven't looked at
*Shotguns & Shotgunning ISBN: 0873495675
*The Gun Digest Book of Sporting Shotguns ISBN: 0896891739
*Gunsmithing Shotguns : A Basic Guide to Care and Repair ISBN: 1592280919
*The Gun Digest Book of Firearms Assembly/Disassembly, Pt. V: Shotguns ISBN: 0873494008
*Combat Shotguns (Greenhill Military Manual) ISBN: 1853675156
Other
*Remington 870 Armorer's Video
http://www.booktrail.com/Video_Shooting ... ton870.asp
*various articles from "Guns and Weapons for Law Enforcement"
Stock Bolt sizes
1/4-28 thread (should be...)
870 express regular: 8" ?
monte carlo: 10.5" ?
ATI pistol grip:
Remington factory folder:
ATI stock with pistol grip:
=======================
870 Armorer's Kit
Forend wrench
*15/16 socket (brand ?)
http://img.photobucket.com/albums/v151/ ... wrench.jpg
*
Pin Pusher
*take a #1 Phillips screwdriver or 3/16" flat screwdriver with a round shank, and cut the screwdriver end off and round off that end. Use the end of the handle to tap the pins in, and the shaft to push them out.
========================
Like Brownells has...
And the add-on kit for the 1100.
*Gas-Orifice sizes for Remington Model 1100 shotguns from the "Do it yourself gun repair" book
http://img.photobucket.com/albums/v151/ ... rifice.jpg
O-ring sizes
*12 gauge 1100 : #33 rubber, #21 viton ?
*20 gauge 1100 : #32 rubber ?