Seekins Precision Select Adjustable Gas Block

The Seekins Precision Select Adjustable Gas Block delivers 40 positions of fine adjustment in a tool-less interface at $119 MSRP, positioning it between basic set-screw adjustable blocks like the Aero Precision and Odin Works ($80-$85) and premium units like the SLR Sentry and Riflespeed ($149-$200). Seekins's Select uses a long detented adjustment screw with fine pitch, giving the shooter granular control over gas flow without the gross click-stop progression found on cheaper blocks. The 40-position range is more than most shooters will need, but it allows precise tuning for specific suppressor and ammunition combinations.

The block fits standard .750 inch journal barrels and uses set-screw mounting as standard, with a factory-drilled pilot hole that allows a gunsmith to cross-pin the block to the barrel for permanent installation. The Melonite finish on the precision-machined steel body handles heat and carbon well, and Seekins's build quality is consistent with their barrel and rifle lineup. At $119, the Select competes directly with the SLR Sentry 7 at $148.99, trading SLR's side adjustment and 15-position click feel for Seekins's front-adjust 40-position fine pitch.

The Select is the right call for a shooter who wants fine-tuning capability and prefers Seekins's manufacturing reputation over the SLR or Riflespeed designs. It is less ideal than the Superlative Arms bleed-off for dedicated suppressor hosts, and less convenient than the Riflespeed for rapid suppressed/unsuppressed swaps. For a precision rifle build where the gas block gets set once and rarely changes, the Select is a strong mid-tier pick. Verified current pricing as of 2026: $119 MSRP, $85.60 to $119 street depending on retailer.