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
September 2026 on GunPartPicker
Griffin Armament Maritime AR-15 Receiver Extension ranked #29 of the 49 buffer tubes builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #44 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 35 retailers
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Frequently Built With
The part most often added in each category by the 5 builds that include this one
Griffin Armament MK2 Ambi Stripped AR-15 Lower Receiver - Ambidextrous Controls - Flared Magwell - Anodized Black - MK2AL
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
FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD
Rise Armament Advanced Performance Trigger Single Stage Drop-In 3.5lb
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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 | $3301.47 |
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