{"product_id":"stribog-polymer-lower","title":"Stribog Polymer Lower","description":"\u003cp\u003eNOTE: ONLY COMPATIBLE WITH 9MM STRIBOG'S\n\u003cbr\u003eA3 INDUSTRIES LOWER\n\u003cbr\u003eThe A3 Industries lower is designed to use the popular and well established AR triggers, selectors, and grips. These AR features bring almost limitless possibilities to your Stribog platform, allowing the user to customize the Stribog to suit their individual tastes and shooting preferences.\n\u003cbr\u003eAdditionally, this lower is designed to use the widely trusted CZ Scorpion magazine rather than the original Stribog magazine. The Scorpion magazine has a proven track record of delivering more consistent feeding and generally performs more reliably across a wider range of ammunition types and brands.\n\u003cbr\u003e \n\u003cbr\u003eNOTE: Not recommended for use with aftermarket buffer kits or short-stroke kits\n\u003cbr\u003eNOTE: Single-stage triggers only. 2-stage triggers will not reset properly in the Stribog\n\u003cbr\u003eNOTE: ONLY COMPATIBLE WITH 9MM STRIBOG'S\n\u003cbr\u003e \n\u003cbr\u003eLowers ship complete with a hybrid machined aluminum\/hardened steel bolt release lever, A3 Industries TRI-Lever polymer mag release, new bearing detent takedown pins, new 1\/4\" grip screw, and a selector detent with spring. Lower is manufactured from injection-molded Zytel polymer with 30% glass reinforcement.\n\u003cbr\u003e \n\u003cbr\u003eA3 INDUSTRIES BOLT RELEASE LEVERS:As of Fall 2025 every lower now ships with our upgraded machined aluminum bolt release lever. These levers are machined from 7075 aluminum and then hard coated low-gloss black. They have a hardened steel insert at the bolt interface and also feature textured thumb levers.\u003c\/p\u003e\n\n\u003cp\u003eMAG RELEASES:\n\u003cbr\u003eThe lower ships with an A3 Industries Polymer TRI-Lever mag release. These are injection molded from Zytel Polymer with 30% fiber reinforcement. \n\u003cbr\u003e \n\u003cbr\u003eBALL DETENT TAKEDOWN PINS:\n\u003cbr\u003eLowers ship with new ball detent steel takedown pins, allowing the user to leave their factory lower fully intact, with no need for disassembly. \u003c\/p\u003e\n\n\u003cp\u003e-----------------------------------------------------------------------------------------------------------------------------------------\u003c\/p\u003e\n\n\u003cp\u003eMAGAZINE INFO and COMPATIBILITY:\n\u003cbr\u003eDuring the development of our lower, we evaluated multiple magazine well angles to identify the configuration that delivered the most reliable feeding across the widest range of magazines. In addition to angle, we determined that the vertical position of the magazine relative to the bolt is even more critical to proper function. The Stribog is particularly sensitive to both of these factors, which can present challenges given the variations in design and dimensions among different magazine manufacturers.\n\u003cbr\u003eIn contrast, the Scorpion is designed with more flexibility. Its ejector sits higher, and the bolt has more clearance around the magazine. This makes the Scorpion system more forgiving, allowing it to function reliably with a wide range of magazine types—even when those magazines differ significantly in size or shape.\u003c\/p\u003e\n\n\u003cp\u003eBRAND\/STYLE\n\u003cbr\u003ePROS\n\u003cbr\u003eCONS\u003c\/p\u003e\n\n\u003cp\u003ePSA 35 ROUND (#1 recommended)\u003c\/p\u003e\n\n\u003cp\u003eLow price\n\u003cbr\u003eHigh quality\n\u003cbr\u003eGood fit in magwell\n\u003cbr\u003eReadily available\u003c\/p\u003e\n\n\u003cp\u003eNone\u003c\/p\u003e\n\n\u003cp\u003eMAGPUL 35 ROUND\u003c\/p\u003e\n\n\u003cp\u003eLow price\n\u003cbr\u003eHigh quality\n\u003cbr\u003eGood fit in magwell\n\u003cbr\u003eReadily available\u003c\/p\u003e\n\n\u003cp\u003eTallest feed lips which usually requires filing to fit and function properly\n\u003cbr\u003eLRBHO is temperamental in our lower due to the smaller \"finger\" Magpul uses on their follower.\u003c\/p\u003e\n\n\u003cp\u003eETS 40 ROUND\u003c\/p\u003e\n\n\u003cp\u003eHighest capacity\n\u003cbr\u003eGood fit in magwell\u003c\/p\u003e\n\n\u003cp\u003eGenerally will not feed the last 1 or 2 rounds when used in the Stribog\u003c\/p\u003e\n\n\u003cp\u003eCZ FACTORY MAGS\u003c\/p\u003e\n\n\u003cp\u003eLow price\u003c\/p\u003e\n\n\u003cp\u003eLoose fit in magwell\n\u003cbr\u003eTemperamental functionality due to various changes throughout the years. \u003c\/p\u003e\n\n\u003cp\u003eMAGPUL, F5, PROMAG 50 ROUND DRUMS\u003c\/p\u003e\n\n\u003cp\u003eNot compatible\u003c\/p\u003e\n\n\u003cp\u003eNot compatible\u003c\/p\u003e\n\n\u003cp\u003eSUMMARY: THE BEST OVERALL PERFORMER IS THE PSA 35 ROUND MAGS. THESE ARE READILY AVAILABLE, INEXPENSIVE, HIGH-QUALITY, AND REQUIRE NO MODIFICATIONS.\u003c\/p\u003e","brand":"A3 Industries","offers":[{"title":"Default Title","offer_id":49814174269655,"sku":"REC-100-P","price":199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1327\/2791\/files\/IMG_1361__30780.1753812230.jpg?v=1789667024","url":"https:\/\/a3industries.com\/products\/stribog-polymer-lower","provider":"A3 Industries","version":"1.0","type":"link"}