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Still Can't Find It?

If you're unable to locate an item please contact us directly.

Please have the following information ready:

  1. Firearm Manufacturer
  2. Firearm Model and Serial Number
  3. Gauge or Caliber of Firearm
  4. Part Description
  5. Any other pertinent information

Then please call our Sales Department toll free at:

866-NUMRICH
(866-686-7424)

Outside U.S.A.:

845-679-2417

Office Hours:
Monday through Friday
8:00 a.m. to 4:30 p.m. EST

Mark 12 (*)

Schematic Image

*Part Key 'NI' stands for 'Not Illustrated'.

Image Part Key Product # Description Price Add To Cart
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1 1121450B Bolt Nut $9.00 Sold Out
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2 1121460B Bolt Body & Handle $28.15 Buy Now
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3 1121480B Mainspring $10.60 Buy Now
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4 1121490B Hammer $21.20 Buy Now
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5 1121500B Firing Pin $21.20 Sold Out
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6 1121060D Extractor, Left $21.20 Sold Out
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7 1121520B Extractor Lock Ring $5.65 Sold Out
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8 1121530B Bolt Head $31.80 Sold Out
Ejector Loading Platform
9 967960B Ejector Loading Platform $10.60 Buy Now
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10 1121540B Plunger $5.65 Buy Now
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11 1121010D Bolt Lock Plunger Spring $2.45 Buy Now
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12 1121020D Bolt Lock Plunger $2.45 Sold Out
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13 520750C Firing Pin Spring $2.45 Buy Now
Extractor, Right
14 1121070B Extractor, Right $21.20 Sold Out
Front Sight, Lyman 17A,Target-.585'' From Bottom Of Dovetail To Top Of Aperture
16 531050E Front Sight, Lyman 17A,Target-.585'' From Bottom Of Dovetail To Top Of Aperture $41.80 Sold Out
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17 1121130C Safety Clip / Safety Pin Lock Clip $2.90 Sold Out
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18 1121630B Safety $15.90 Buy Now
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19 1121250D Adjusting Screw Safety Nut ( 2 Req'd) $3.35 Buy Now
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20 1121650B Trigger Adjusting Screw $2.95 Buy Now
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21 1121660B Trigger $21.20 Buy Now