Aluminum spacer that replaces the booster spring so a Griffin pistol can runs on a fixed-barrel host.
Affiliate links (?)
Best HUB Suppressors for Flexible Mounting Systems
guide · gear · 14 min read
Best KRISS Vector Accessories 2026: Optics, Stocks, Mags & Suppressor
guide · gear · 11 min read
Best PCC Suppressor Pairings 2026: Hosts & 9mm Cans Ranked
B&T Lawsuit Settled: Swiss Parent Company Regains Full US Control
article · news · Jun 28, 2026
B&T SHOT Show 2026: GHM9 Retro, Print-X Suppressors & APC Evolution
article · news · Jan 22, 2026
Griffin Armament
Griffin Revolution Fixed Mount 1/2x28 (Direct Thread)
$85
Griffin PLAN-A Short Taper Mount HUB Adapter (1.375x24)
$89.95
Griffin 3 Lug Interface 9mm (No Booster Housing)
$129.95
Griffin Revolution 9 MOD 4 Booster and EZ-LOK Piston
$204.9
Add the Griffin Revolution Fixed Barrel Spacer (GAFS) to your build and see how it enhances your platform.