Griffin Armament Primo 416R Low Profile Gas Block - .750"
Click to see full view
Griffin Armament
Overview
The Griffin Armament Primo Low Profile Gas Block is designed for a .750-inch diameter, making it a perfect fit for a variety of AR-15 builds. Constructed from stainless steel with a nitride finish, this clamp-on gas block provides a durable and reliable mounting solution that maintains a sleek profile. It's particularly suited for pistol builds, especially those chambered in 300 Blackout, where space is at a premium and effective gas regulation is crucial.
Specifications
Build history on GunPartPicker
Builders on GunPartPicker first added the Griffin Armament Primo 416R Low Profile Gas Block - .750" to a build in March 2026.
It was hard to find in August 2026, in stock on only 3 of the 16 days we checked, and today only Optics Planet has it in stock. Prices barely moved in August 2026, holding around $52.20, so there haven't been real sales lately. Buying today, the lowest price is $52.20 at Optics Planet, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
Not sure which gas block to pick?
We ranked every gas block by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Gas Block Guide →Check it against the live catalog:
Frequently Built With
Popular alongside gas blocks on GunPartPicker
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Bravo Company M16 Bolt Carrier Group Black
FAXON Firearms 16" 223 Wylde Match Barrel Stainless Steel Black
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
WMD Guns AR-15 Gas Tube Nitromet Mid-Length
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Builds Featuring This Part
See all 2 →Builds in the community that include the Griffin Armament Primo 416r Low Profile Gas Block - .750"
| Build | Parts | Total |
|---|---|---|
 | 24 | $1165.75 |
 | 24 | $2444.16 |
No reviews yet. Be the first to review this product!