Please be aware that due to high order volume our order processing time is approximately 5 business days.

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