Situated in Central Florida, SLR Rifleworks remains one of the leading brands in innovating the firearm industry. Their contemporary designs have garnered extreme success in their pioneered designs for both Glocks and ARs, especially in that of their sentry gas block series. SLR tests all their products in-house to ensure the highest quality is delivered to their customers.

When looking at SLR Rifleworks one should pay special attention to their top quality handguards, cutting edge gas blocks, and high tier dimpling jigs. Our favorite SLR product here at MSR Arms is the Sentry 7 Adjustable Gas Block. The Sentry 7 has the range needed to fine tune your rifles gas output for optimal efficiency, regardless of setup.