{"v":"2.0","page_type":"product","title":"Rem Accessories 19421 Model 870 12 ga 3rd Magazine Extension Steel Black | iAmmo","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"Remington","href":"/python/html6/menu_brand_products/1000/126000/menu_brand_products_Remington_1_cb47e6db1c.html"},{"label":"Remington 870","href":null}],"content":{"product":{"mpn":"Remington 870","manufacturer":"Remington","brand":"Remington","brand_url":"/python/html6/menu_brand_products/1000/126000/menu_brand_products_Remington_1_cb47e6db1c.html","title":"Rem Accessories 19421 Model 870 12 ga 3rd Magazine Extension Steel Black | iAmmo","description":"","attributes":[{"name":"Brand name","values":[{"value":"Remington","url":"/python/html6/menu_attr_pair/1000/138000000/138411000/menu_attr_pair_Brandname_Remington_1_cc7124b87b.html"}],"name_url":"/python/html6/menu_attr_pair/1000/138000000/138411000/menu_attr_pair_Brandname_Remington_1_cc7124b87b.html"},{"name":"Manufacturer name","values":[{"value":"Remington","url":"/python/html6/menu_attr_pair/1000/207000000/207256000/menu_attr_pair_Manufacturername_Remington_1_ef36b8c78a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/207000000/207256000/menu_attr_pair_Manufacturername_Remington_1_ef36b8c78a.html"},{"name":"Manufacturer","values":[{"value":"Remington","url":"/python/html6/menu_attr_pair/1000/241000000/241011000/menu_attr_pair_Manufacturer_Remington_1_ea2d0d0ca2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/241000000/241011000/menu_attr_pair_Manufacturer_Remington_1_ea2d0d0ca2.html"},{"name":"Extra Product Name","values":[{"value":"Rem Accessories 19421 Model 870 12 ga 3rd Magazine Extension Steel Black | iAmmo","url":"/python/html6/menu_attr_pair/1000/126000000/126421000/menu_attr_pair_ExtraProductName_RemAccessories19421Model87012ga3rdMagazine_1_cb889e67e9.html"}],"name_url":"/python/html6/menu_attr_pair/1000/126000000/126421000/menu_attr_pair_ExtraProductName_RemAccessories19421Model87012ga3rdMagazine_1_cb889e67e9.html"},{"name":"moq","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"}],"name_url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"},{"name":"MPN","values":[{"value":"Remington 870","url":"/python/html6/menu_attr_pair/1000/148000000/148385000/menu_attr_pair_MPN_Remington870_1_e93c0f40d9.html"}],"name_url":"/python/html6/menu_attr_pair/1000/148000000/148385000/menu_attr_pair_MPN_Remington870_1_e93c0f40d9.html"},{"name":"multiple","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"},{"name":"qtyInStock","values":[{"value":"0","url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"}],"name_url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"},{"name":"SKU","values":[{"value":"169272","url":"/python/html6/menu_attr_pair/1000/112000000/112550000/menu_attr_pair_SKU_169272_1_a5cde4c95a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/112000000/112550000/menu_attr_pair_SKU_169272_1_a5cde4c95a.html"},{"name":"tierMinQty1","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/226000000/226987000/menu_attr_pair_tierMinQty1_1_1_974840705d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/226000000/226987000/menu_attr_pair_tierMinQty1_1_1_974840705d.html"},{"name":"tierPrice1","values":[{"value":"50.45","url":"/python/html6/menu_attr_pair/1000/149000000/149047000/menu_attr_pair_tierPrice1_5045_1_c14c0dc071.html"}],"name_url":"/python/html6/menu_attr_pair/1000/149000000/149047000/menu_attr_pair_tierPrice1_5045_1_c14c0dc071.html"},{"name":"Brand","values":[{"value":"Remington","url":"/python/html6/menu_attr_pair/1000/41000000/41761000/menu_attr_pair_Brand_Remington_1_fb78b185b2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/41000000/41761000/menu_attr_pair_Brand_Remington_1_fb78b185b2.html"},{"name":"Caliber","values":[{"value":".12 Gauge","url":"/python/html6/menu_attr_pair/1000/158000000/158933000/menu_attr_pair_Caliber_12Gauge_1_6612504a11.html"}],"name_url":"/python/html6/menu_attr_pair/1000/158000000/158933000/menu_attr_pair_Caliber_12Gauge_1_6612504a11.html"},{"name":"Capacity","values":[{"value":"3","url":"/python/html6/menu_attr_pair/1000/233000000/233518000/menu_attr_pair_Capacity_3_1_067e3f5809.html"}],"name_url":"/python/html6/menu_attr_pair/1000/233000000/233518000/menu_attr_pair_Capacity_3_1_067e3f5809.html"},{"name":"FFL Required","values":[{"value":"Yes","url":"/python/html6/menu_attr_pair/1000/3000000/3774000/menu_attr_pair_FFLRequired_Yes_1_a8af464427.html"}],"name_url":"/python/html6/menu_attr_pair/1000/3000000/3774000/menu_attr_pair_FFLRequired_Yes_1_a8af464427.html"},{"name":"Finish","values":[{"value":"Black","url":"/python/html6/menu_attr_pair/1000/245000000/245651000/menu_attr_pair_Finish_Black_1_39f9287e00.html"}],"name_url":"/python/html6/menu_attr_pair/1000/245000000/245651000/menu_attr_pair_Finish_Black_1_39f9287e00.html"},{"name":"Material","values":[{"value":"Steel","url":"/python/html6/menu_attr_pair/1000/93000000/93780000/menu_attr_pair_Material_Steel_1_253f70c92c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/93000000/93780000/menu_attr_pair_Material_Steel_1_253f70c92c.html"},{"name":"Model Fit","values":[{"value":"Remington 870","url":"/python/html6/menu_attr_pair/1000/74000000/74892000/menu_attr_pair_ModelFit_Remington870_1_1d2c9bf48a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/74000000/74892000/menu_attr_pair_ModelFit_Remington870_1_1d2c9bf48a.html"},{"name":"Series","values":[{"value":"Mag Extension 20\"","url":"/python/html6/menu_attr_pair/1000/84000000/84412000/menu_attr_pair_Series_MagExtension20_1_e019d1a316.html"}],"name_url":"/python/html6/menu_attr_pair/1000/84000000/84412000/menu_attr_pair_Series_MagExtension20_1_e019d1a316.html"}],"images":[],"distributors":[{"name":"iammo.com","sku":"169272","url":"https://www.iammo.com/rem-accessories-19421-model-870-12-ga-3rd-magazine-extension-steel-black.html","pricing":[{"quantity":1,"price_usd":50.45}],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://www.iammo.com/media/extendware/ewimageopt/media/inline/af/8/rem-accessories-19421-model-870-12-ga-3rd-magazine-extension-steel-black-0c8.png"},{"name":"iammo.com","sku":"42981","url":"https://www.iammo.com/remington-shurshot-stock-forend-for-remington-870-thumbhole-mossy-oak-obsession-19545.html","pricing":[{"quantity":1,"price_usd":72.99}],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://www.iammo.com/media/extendware/ewimageopt/media/inline/a4/f/remington-shurshot-stock-forend-for-remington-870-thumbhole-mossy-oak-obsession-19545-bb1.jpeg"},{"name":"iammo.com","sku":"27558","url":"https://www.iammo.com/remington-870-shotgun-monte-carlo-black-synthetic-stock-forend-19487.html","pricing":[{"quantity":1,"price_usd":68.99}],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://www.iammo.com/media/extendware/ewimageopt/media/inline/7c/b/remington-870-shotgun-monte-carlo-black-synthetic-stock-forend-19487-1f3.jpeg"},{"name":"iammo.com","sku":"50360","url":"https://www.iammo.com/remington-synthetic-stock-forend-for-870-18614.html","pricing":[{"quantity":1,"price_usd":57.99}],"stock":{"available":true,"quantity":1,"lead_time_days":0},"moq":1,"multiple":1,"image":"https://www.iammo.com/media/extendware/ewimageopt/media/inline/ad/1/remington-synthetic-stock-forend-for-870-18614-c70.jpeg"},{"name":"iammo.com","sku":"169271","url":"https://www.iammo.com/rem-accessories-19419-model-870-12-ga-3rd-magazine-extension-steel-black.html","pricing":[{"quantity":1,"price_usd":54.64}],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://www.iammo.com/media/extendware/ewimageopt/media/inline/fa/2/rem-accessories-19419-model-870-12-ga-3rd-magazine-extension-steel-black-b58.png"}],"amazon":{"available":false,"products":[]},"metadata":{"generated_date":"2026-09-17","last_updated":"2026-09-17","data_sources":["iammo.com"],"completeness":0.75,"version":"1.2"}}},"pagination":null,"nav":{"home":"/python/html6/index.html","brands":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html","parts":"/python/html6/menu_part_index/menu_part_index_parts_909e6bf0ca.html","attributes":"/python/html6/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html"}}