Spro USA monthly updates
What builders on GunPartPicker did with Spro USA parts, month by month: how the brand ranked against every other brand on the site, which parts they added most, what came back in stock and what lagged. The figures come from real builds and daily price checks across 37 retailers. New month, new entry. Back to the Spro USA brand page →
Spro USA in September 2026
Spro USA ranked #97 of 323 brands on GunPartPicker in September 2026, just behind Criterion Barrels, with about 1 in every 1000 parts builders added. Up from #112 in August. Builders reached for Spro USA mostly for buffer spring parts. The most added single part was the Sprinco USA Spring KIT- Xp Buffer Spring W/ Dual Extractor Spring Set, taking the top spot from the Sprinco USA 308 M4 Extension Tube Cs Xp Buffer Spring in Hard Tube.
Buffer springs were the busiest Spro USA category in September: 7 products came back in stock, several more than once, and demand for them rose about 43% on August.
Also popular this month: Sprinco USA 308 M4 Extension Tube Cs Xp Buffer Spring in Hard Tube, Sprinco USA M16 Rifle Cs Buffer Spring Stand-Alone, Sprinco USA Spring KIT-Std Buffer & HD 5-Coil Bolt Extractor Spring and Sprinco USA M4 Carbine Reduced Power Buffer Spring.
| Category | Demand vs prior month | Products restocked | Sell-outs |
|---|---|---|---|
| buffer springs | up 43% | 7 | 2 |
Updated · from real builds and daily price checks on GunPartPicker
Spro USA in July 2026
Spro USA ranked #99 of 276 brands on GunPartPicker in July 2026, just behind ABC Rifle Company, with about 1 in every 1000 parts builders added. Up from #101 in June. Builders reached for Spro USA mostly for buffer spring parts. The most added single part was the Sprinco USA M16 Rifle Cs Buffer Spring Stand-Alone, taking the top spot from the Sprinco USA Spring KIT- Xp Buffer Spring W/ Dual Extractor Spring Set.
Buffer springs were the busiest Spro USA category in July: 12 products came back in stock, several more than once, and demand for them rose about 30% on June.
Also popular this month: Sprinco USA Spring KIT- Xp Buffer Spring W/ Dual Extractor Spring Set, Sprinco USA 308 M4 Extension Tube Cs Xp Buffer Spring in Hard Tube, Sprinco USA Spring KIT- Enhanced Buffer & 4-Coil Bolt Extractor Spring and Sprinco USA Spring KIT-Std Buffer & HD 5-Coil Bolt Extractor Spring.
| Category | Demand vs prior month | Products restocked | Sell-outs |
|---|---|---|---|
| buffer springs | up 30% | 12 | 4 |
Updated · from real builds and daily price checks on GunPartPicker