AR9 Parts
At Grid Defense, we offer a comprehensive selection of AR-9 parts that are specifically designed for the popular AR-9 platform. From upper receivers to barrels, bolts, and triggers, our high-quality AR-9 components ensure optimal performance, reliability, and customization options for your pistol caliber carbine needs. Explore our range of AR-9 parts and accessories to build a personalized AR-9 that meets your shooting preferences and exceeds your expectations.
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On Sale
9mm Bolt Carrier Group
Sale: $109.00MSRP: $149.009MM Bolt Carrier Group Complete, drop-in carrier/bolt assembly is ramped on the bottom to provide clearance for a factory .223/5.56mm hammer in your 9mm conversion. Eliminates the need to install a dedicated 9mm hammer, so the original fire control...Sale: $109.00MSRP: $149.00 -
Ghost Firearms 9mm Adapter Drop In Mag Block
$89.00Ghost Firearms 9mm Adapter Drop In Mag Block This Adapter Drop In Mag Block converts your standard AR-15 model to accept affordable, lower-penetrating 9 mm rounds using a COLT STYLE MAGAZINE. Made from 6000 series billet aluminum with a steel...$89.00 -
On Sale
9mm BCG With Mil-Spec Charging Handle Combo
Sale: $99.00MSRP: $158.009MM Bolt Carrier Group Made in the USA Black Nitride Finish 8620 Steel Carrier 17-4 Stainless Steel Firing Pin Ramped and Compatible with Standard AR15 Hammer Works with Both Colt and Glock Magazines MPI & HPT Removable...Sale: $99.00MSRP: $158.00 -
9MM BOLT CARRIER GROUP AND AMBIDEXTROUS CHARGING HANDLE
$199.009MM BOLT CARRIER GROUP Complete, drop-in carrier/bolt assembly is ramped on the bottom to provide clearance for a factory .223/5.56mm hammer in your 9mm conversion. Eliminates the need to install a dedicated 9mm hammer, so the original fire control...$199.00 -
SYLVAN ARMS GLOCK CONVERSION BLOCK
$114.99SYLVAN ARMS GLOCK CONVERSION BLOCK Easy to install and swap out Accepts popular Glock 9mm magazines Designed to work with Mil-Spec lowers Does NOT include last round bolt hold open Material: Steel and 6061-T6 Aluminum Finish: Black...$114.99 -
AR9 Conversion Kit - 5.5" Barrel, Magazine Block Adapter and Bolt Carrier Group
$347.00AR9 Conversion Kit Ghost Firearms 5.5" 9mm Barrel - Black Chromoly Steel 1:10 Twist 1/2 x 36 Thread Manufactured by Ghost Firearms Premium quality AR15 replacement parts, the new 9mm AR barrels by Ghost Firearms at best online prices. Made in the...$347.00 -
Odin Works Billet AR-15 9MM Upper Receiver - Black
$129.00Odin Works Billet AR-15 9MM Upper Receiver - Black 7075 Billet Aluminum NO Forward Assist Low Profile Brass Deflector$129.00