--- title: "FRANKLIN ARMORY M4-BLR AR15 Complete Lower Receiver w/ BFSIII Binary Trigger" canonical_url: "https://www.kygunco.com/product/franklin-armory-00-20016-blk-bfsiii-equipped-m4-blr" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/134542/thumbnail.jpg?v=1710510368" "og:image:height": "500" "og:image:width": "500" "og:title": "FRANKLIN ARMORY M4-BLR AR15 Complete Lower Receiver w/ BFSIII Binary Trigger" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Handgun & Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts) / [Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts) / [Receivers & Lowers](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/receivers-and-lowers) / FRN-00-20016-BLK ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/134542/main.jpg?v=1710510368) For illustration purposes only, this image may not be an exact representation of the product. # FRANKLIN ARMORY M4-BLR AR15 Complete Lower Receiver w/ BFSIII Binary Trigger $431.99 ** 5 interest-free payments of **$86.40** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) Pay over time with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. ** Ships To FFL Dealer Handled by our expert shippers in Bardstown, KY. ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Item # 134542 Style FRN-00-20016-BLK UPC 818725010767 Condition New Manufacturer [Franklin Armory](https://www.kygunco.com/brand/franklin-armory) Model M4-BLR Caliber 5.56 NATO, 223 Rem Weight 2 lb Action Semi-Auto The BFSIII Equipped M4-Built Lower Receiver from Franklin Armory comes with a Binary firing system installed. Its a three postion trigger system, Safety, Semi-Auto and Binary. In the binary position the rifle fires one round on pull and one round on release of the trigger. This trigger is ideal for both tactical and competition use. The BFSIII provides greatly reduced split times between rounds, allowing for tighter groups. **TRIGGER OPERATION** - Position 1 – Safe (Will not fire) - Position 2 – Semi-Auto (Fires 1 round per pull) - Position 3 – Binary (Fires 1 round on pull and 1 round on release) **SPECIFICATIONS** - Forged 7075-T6 Aluminum - Hard Coat Type III Anodized Black - Specialized Tension Screw - Eliminates Upper/Lower Play - FRANKLIN ARMORY Binary Firing System™ Trigger - A2 Pistol Grip - Magazine: Manufactured from Stainless Steel - Marlube Finished - 30 Round 5.56 NATO Capacity - Anti-Tilt Follower - Stock: M4 Design - Reinforced Six Position Collapsible - Multiple Rear Sling Mounts - Angled Heel for Easier Transition - Aluminum Carbine Length Receiver Extension ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Don't Forget Your Ammo ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/franklin-armory-00-20016-blk-bfsiii-equipped-m4-blr#webpage","@type":"WebPage","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"FRANKLIN ARMORY M4-BLR AR15 Complete Lower Receiver w/ BFSIII Binary 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