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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

A-500 Gas Operated (*)

Schematic Image

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

Image Part Key Product # Description Price Add To Cart
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58 867030A Safety Spring Stop Pin $3.70 Buy Now
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59 867040 Sear $8.10 Buy Now
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60 & 68 867050A Sear & Trigger Pin $2.50 Buy Now
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61 867070A Stock Screw $5.60 Sold Out
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62 867080A Stock Screw Lock Washer $2.35 Sold Out
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63 867090A Stock Screw Washer $2.35 Buy Now
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64 867100A Trigger $18.60 Buy Now
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65 867110A Trigger Guard $163.00 Buy Now
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66 867120A Trigger Guard Pin Sleeve $2.95 Sold Out
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67 867130A Trigger Guard Retaining Screw & Nut $16.85 Sold Out
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69 867140A Trigger Spring $4.10 Buy Now
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70 939750 Barrel, 12 Ga., 28'', 2-3/4'' & 3'' Invector, Used, Good Condition. Blued $208.60 Sold Out
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71 866830 Magazine Tube $58.85 Sold Out
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72 866990 Return Spring $5.15 Sold Out
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73 867060 Sleeve Bar $25.55 Sold Out
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74 866730 Intermediate Tube $6.75 Sold Out
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75 866880 Piston, Rear $31.45 Sold Out
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76 866660 Piston, Front $29.50 Sold Out
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77 866980 Regulation Valve $24.40 Sold Out
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78 866970 Regulation Spring $6.75 Sold Out