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Notes:
SS = Stainless Steel
RR = Rust Resistant
PAI = Price After Inspection
OLI Prefix WIN/OLIN
NLG Prefix Nu-Line Guns
USR Prefix U.S Repeating Arms
REM Prefix Remington
MAR Prefix Marlin
U Suffix: Used
> Suffix: Quantity Pricing Available
? = Price Includes Core Charge
* = Sold with the understanding that this part will be installed and fit by a qualified gunsmith
** = Factory installation only
*** = Customer fitting required
**** = Nu-Line installation only
***** = FFL required - Gun transfers (Frames, Receivers, Guns)
****** = Sold to Gunsmith only - FFL required
Note: Refundable only if old part is rebuildable and is returned prepaid to us with a copy of the invoice
Note: Price quote for parts, does not include labor, taxes, handling, insurance or shipping


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Winchester Gun Parts Model 12 Shotgun Parts

Nu Line Guns Inc bought all of the parts from Winchester for the Model 12. They can supply parts or repair your gun back to factory specs.

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Please Select a Model 12 Part (140 total):


Part NumberNotesNamePrice
*** Action Slide - 12 GA-5 Styles 
Action slide 16-28ga. - 2 styles (Click Here) 
NLG2312Image Available Action Slide Handle Retainer Spring 12-28 Ga.$9.95
USR2612*Image Available Action Slide Lock and Spring - 12 Ga. >$49.95
NLG2712*Image Available Action Slide Lock and Spring 16-28 Ga.$69.95
USR2812Image Available Action Slide Lock Pivot 12 Ga. >$4.95
USR3012***Image Available Action Slide Lock Spring (Requires 2) 12-28 Ga>$2.95
USR2412***Image Available Action Slide Sleeve Screw Cap 12 Ga. >$19.95
USR2512***Image Available Action Slide Sleeve Screw Cap 16-28 Ga.$39.95
USR3112Image Available Action Slide Spring 12 Ga. 2 3/4 " & 3 "$9.95
USR3212 Action Slide Spring 16-28 Ga.$19.95
USR3312-KIT9 Adjusting Sleeve Kit - 9$199.95
USR3512Image Available Adjusting Sleeve Lock 12-28 >$14.95
USR3612Image Available Adjusting Sleeve Lock Screw 12-28 >$2.95
USR4112R***Image Available Barrel 12GA 20" Riot No receiver extension$199.95
USR5812*Image Available Barrel Chamber Ring - 12 Ga, (Counter Sunk) >$29.95
NLG5912*Image Available Barrel Chamber Ring - 16 Ga. >$29.95
NLG6012*Image Available Barrel Chamber Ring - 20 Ga. >$29.95
NLG6012A*Image Available Barrel Chamber Ring - 28 Ga. >$39.95
USR6112AImage Available Barrel Chamber Ring Retainer Pin 12 - Post 64$2.95
USR6112Image Available Barrel Chamber Ring Screw 12-28 Ga. - Pre 64$2.95
USR5512KIT* Barrel Kit - 12$299.95
* Breech Bolt 12 Gauge 2 3/4 Post 64 Square Face (Click Here) 
* Breech Bolt 12 Gauge 2 3/4 Pre 64 Round Face (Click Here) 
* Breech Bolt 12 Gauge 2 3/4 Y Model Square Face (Click Here) 
* Breech Bolt 12 Gauge 3" Duck Post 64 Square Face (Click Here) 
* Breech Bolt 12 Gauge 3" Duck Pre 64 Round Face (Click Here) 
USR11212B***Image Available Breech Bolt Beard - Duck - 12Ga. 3"$9.95
USR7412***Image Available Breech Bolt retaining Lever 12-28 Ga. >$19.95
USR7512Image Available Breech Bolt retaining Lever Pin 12-28 Ga. >$2.95
USR30394NRA***Image Available Buttplate - 12 Ga. - Y Model - 3rd Style$24.95
USR9012+++ BUTTPLATE 1ST STYLE ROUND LOGO $59.95
USR9012A+++Image Available BUTTPLATE 2ND STYLE LONG LOGO ORIGINAL $49.95
*** Buttstock - (Click Here) 
USR8812Image Available Buttstock Bolt 12-28 Ga. >$7.95
USR8912Image Available Buttstock Bolt Washer 12-28 >$1.95
USR10712Image Available Carrier Pivot 12 Ga - 28 Ga >$7.95
USR9812Image Available Carrier Plunger 12-28 >$9.95
USR10012Image Available Carrier Plunger Screws 12-28 Ga. >$7.95
USR9912Image Available Carrier Plunger Springs 12-28 Ga. >$2.95
USR10912Image Available Carrier Spring 12-28 Ga.$4.95
Image Available Carriers - (Click Here) 
USR11012***Image Available Cartridge Cut off 12Ga. >$39.95
NLG11112***Image Available Cartridge Cut off 16 Ga.$49.95
NLG11212A***Image Available Cartridge Cut off 28 Ga.$59.95
USR10912B***Image Available Cartridge Guide 12 Ga.$19.95
USR10912CImage Available Cartridge Guide Rivot 12 Ga.$2.95
USR12012A***Image Available Ejector Spring 12-28Ga. >$4.95
USR12012Image Available Ejector with Spring 12-20Ga.>$19.95
NLG12012BImage Available Ejector with Spring 12Ga. 3" Duck$29.95
USR12012CImage Available Ejector with spring 28 Ga.$29.95
USR11412Image Available Extractor - Left Hand 12-16 Ga.>$24.95
USR11512 Extractor - Left Hand 20-28 Ga.$29.95
USR11312Image Available Extractor - Right hand - 12-16-20 Ga.>$24.95
NLG11312AImage Available Extractor - Right Hand - 28 Ga.$29.95
USR11412KITImage Available EXTRACTOR KIT - LEFT HAND$29.95
USR11312KITImage Available EXTRACTOR KIT - RIGHT HAND$29.95
USR11912Image Available Extractor Pin - Left Hand 12-28 Ga. >$2.95
USR11812Image Available Extractor Spring - Left Hand 12-16-20 Ga. >$2.95
USR11612Image Available Extractor Spring - Right Hand 12-28 Ga. >$2.95
USR11712Image Available Extractor Spring Plunger Right Hand 12-28 Ga.>$2.95
USR12112Image Available Firing Pin 12 Ga. 2 3/4 & 3" Duck >$19.95
NLG12212 Firing Pin 16-28 Ga. >$24.95
USR12312Image Available Firing Pin Retractor 12Ga - 2 3/4 & 3" Duck >$14.95
NLG12412 Firing Pin Retractor 16-28 Ga.$39.95
USR12512Image Available Firing Pin Retractor Screw 12-28 Ga. >$2.95
USR12612Image Available Firing Pin Retractor Spring 12-28 Ga. >$2.95
Forearms - (Click Here) 
USR12712*** Guard Only New 12 Ga. - 2 3/4" ONLY>$69.95
USR13112 Guard Screw 12-28 Ga. >$3.95
USR13212A*Image Available Hammer Complete - Standard 12-28 Ga 2 3/4 & 3">$49.95
USR13612Image Available Hammer Pin 12-28 Ga. >$2.95
USR13712Image Available Hammer Spring 12-28 Ga. >$4.95
USR13412***Image Available Hammer Spring Guide Rod 12-28 Ga. >$9.95
USR13512Image Available Hammer Spring Guide Rod Pin 12-28 Ga. >$2.95
USR14412***Image Available Magazine Band 12 Ga. 2 3/4" >$44.95
USR14712***Image Available Magazine Band Bushing 12 Ga. 2 3/4 >$24.95
USR14912Image Available Magazine Band Bushing Screw - (2 required)$2.95
USR15012Image Available Magazine Follower 12ga. 2 3/4 & 3"$12.95
USR15112 Magazine Follower 16 Ga.$19.95
USR15212 Magazine Follower 20 Ga.$19.95
NLG15212 Magazine Follower 28 Ga. Aluminum$19.95
NLG15312-A***Image Available Magazine Locking Pin & Spring Assembly 12-28 Ga. >$19.95
NLG15312***Image Available Magazine Locking Pin Only 12-28 Ga.$14.95
USR15512 Magazine Locking Pin Spring only 12-28 Ga. >$4.95
NLG16212SSImage Available Magazine Spring - Stainless Steel 12 Ga. >$14.95
NLG13812A*** Magazine Tube - Premachined 12 Ga. 2 3/4 & 3"$99.95
NLG13912***Image Available Magazine Tube 16 Ga.$124.95
NLG14012*** Magazine Tube 20 Ga.$124.95
NLG14012A***Image Available Magazine Tube 28 Ga.$149.95
USR15612Image Available Magazine Tube Plug All 12 Ga. >$34.95
USR16112Image Available Magazine Tube Plug Screw 12-28 Ga. >$2.95
USR15812Image Available Magazine Tube Plug Stop 12 Ga. 2 3/4" >$19.95
USR15912U Magazine Tube Plug Stop 16 Ga.$29.95
USR16012U Magazine Tube Plug Stop 20-28 Ga.$29.95
USR21312***Image Available Pistol Grip Cap - Small Oval 7/8 12-28 Ga. >$24.95
NLG21412***Image Available Pistol Grip Cap Insert - Small Oval 7/8 12-28 Ga. >$14.95
USR46102NS-SMALL Pistol Grip Cap Insert RED "W" - small$14.95
USR17612***Image Available Receiver Extension - Blued New 12 Ga.$124.95
USR17712*** Receiver Extension 16-28 Ga. NEW$125.00
USR19912Image Available Receiver Rib Retaining Screw Dovetail 12-28 Ga. >$4.95
USR20012Image Available Receiver Rib Retaining Screw Fillister Head - Type C 12-28 Ga.$4.95
USR20012C Receiver Rib Shock Stud Screw (C) 12-28$4.95
USR17512BC*** Receiver Rib Winchester Special Long Grooves 12-28 Ga.$24.95
USR17512B*** Receiver Rib Winchester Special Side Grooves 12-28 Ga.$34.95
USR17512D*** Receiver Rib Winchester Universal (C) Duck Bill 12-28 Ga. Post 64$59.95
USR17812 Receiver Shank 12-28 Ga.$19.95
USR215103***Image Available Recoil Pad 12-28 Ga.$39.95
NLG18112A*Image Available Safety - Flip Type - Crowfoot - RH only$29.95
Safety Factory - See Trigger Lock 
NLG18112LH*Image Available Safety Large Head Left Hand 12-28 Ga. >$29.95
NLG18112RH*Image Available Safety Large Head Right Hand 12-28 Ga. >$29.95
USR18712Image Available Shell Plug 3 Shot 12-20 Ga. >$4.95
USR81M.125*** Sight Front - Field - Brass Bead .125 >$9.95
USR81M.130 Sight Front - Field - Brass Bead .130 >$9.95
USR81J*** Sight Front Field Plain/Matt. Rib Barrel 12-28 Ga. >$9.95
USR4007*** Sight Front Ivory Bead 1/8" 12-28 Ga. >$9.95
USR4008*** Sight Front Red Bead Trap 1/8" 12-28Ga.$9.95
USR4005*** Sight Front White Bead 12-28 Ga. >$9.95
USR4004*** Sight Mid Bead Ivory Plastic Press-in$7.45
USR94E*** Sight Mid Bead Silver Metal Screw-in$7.45
USR200M12 Takedown Manual 115 Pages With Updates Reproduction$29.95
USR17912* Trigger 12 Ga. 2 3/4 & 3" >$39.95
USR18012* Trigger 16-28 Ga, >$39.95
USR12912-F Trigger Guard assembly 12ga 2 3/4 Field New 
USR12912-F-REC Trigger Guard assembly 12ga 2 3/4 Field Reconditioned 
USR12912-T&S Trigger Guard assembly 12ga 2 3/4 Trap & Skeet New 
USR12912-T&S-CG Trigger Guard assembly 12ga 2 3/4 Trap & Skeet New with Cartridge guide 
USR18112* Trigger Lock - Factory Right Hand 12-28 Ga. >$24.95
USR18212 Trigger Lock Plunger 12-28 Ga. >$3.95
USR18312 Trigger Lock Plunger Spring 12-28 Ga. >$2.95
USR18612 Trigger Pin 12-28 Ga. >$2.95
USR18512 Trigger Spring 12-28 Ga. >$2.95
USR19712*** Vent Rib Only Unfinished 12-28 Ga. 29" long$49.95
USR191SX1*** Vent Rib Post - All Others 12-28 Ga.$9.95
USR190SX1*** Vent Rib Post - Front 12-28 Ga.$9.95
USR21512*** Vent Rib Retaining Screw Allen Head 12-28 Ga.$4.95
USR19812A*** Ventilated Rib Barrel Key Pin 12-28 Ga.$2.95
USR19812*** Ventilated Rib Pin 12-28 Ga.$2.95
USR12SKITImage Available Winchester Model 12 Screw Kit (11 Screws)$19.95
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