Griffin Armament Maritime AR-15 Receiver Extension
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Griffin Armament
Overview
The Griffin Armament Maritime AR-15 Receiver Extension is a Mil-Spec carbine buffer tube designed to accommodate standard AR-15 builds. Constructed from 6061-T6 aluminum and finished with hardcoat anodization, this tube ensures durability and resistance to wear. Typically, you'll find this receiver extension in a variety of tactical or general-purpose builds where reliability and performance are key considerations.
Specifications
Build history on GunPartPicker
Builders have been adding the Griffin Armament Maritime AR-15 Receiver Extension to their builds on GunPartPicker since February 2026. All time, it ranks #47 of the 63 buffer tubes builders have added.
Today the one retailer we track has it in stock. Buying today, the lowest price is $43.99 at Optics Planet.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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Frequently Built With
The part most often added in each category by the 4 builds that include this one
Griffin Armament MK1 AR-15 Stripped Lower Receiver
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
Magpul MOE K2 Grip Polymer Gray
Geissele Automatics Super 42 Braided Buffer Spring and H2 Buffer
Bravo Company M16 Bolt Carrier Group Black
Rise Armament Advanced Performance Trigger Single Stage Drop-In 3.5lb
Builds Featuring This Part
See all 1 →Builds in the community that include the Griffin Armament Maritime Ar-15 Receiver Extension
| Build | Parts | Total |
|---|---|---|
 | 26 | $3269.14 |
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