
Welcome to GunnersHouse Blog
The great gun and ammo panic of 2020 (now going into 2021) is probably going to go down as one of the worst shortages in history. Because of the current climate and talk of increased gun control, rifles, pistols, mags and ammo are pretty darn hard to come by these days, and if you do find em get ready to pay a premium.
Because of the lack of ammo available my range time has gone down significantly, which means less practice and a hold on some reviews we had in the pipeline. I’m sure you’re all as frustrated as we are. To help our readers try to find ammo online we’ve compiled this list of retailers that sell ammunition. Many of them are out of stock on most popular calibers, but many of them are constantly getting new shipments of ammo in-stock all the time. Just check back every so often or sign-up for email notifications for the particular product you’re looking for (if their shopping cart has that feature) and be ready to checkout quick when they are in-stock.
Relatively featureless optics mounts have dominated the market space for nearly half a century. Contemporary mount design and technology dates back to the mid-1980s. This trend of industrywide complacency has officially ended with the announcement of this new product line from Griffin Armament.
Griffin’s SPRM™ rings feature a unique utility patented design that splits the rings on two parallel but offset planes, allowing for the integration of Accessory Interface Suite (AIS™) products on 5 mounting surfaces. This system affords mounting opportunities on both left and right sides, 45-degree mounting surfaces on either side, as well as the top mounting surface to be used for accessory interfaces. Griffin SPRM™ rings deliver unsurpassed flexibility and utility to the discriminating user. Left-handed or right-handed shooters are equally supported with the SPRM™ mounts and accessories.
These rings are available in multiple heights for 30MM & 34MM optics, 35MM coming soon. They are designed to support as many optic and firearm combinations as possible. From rimfire trainers to heavy gas guns and precision bolt guns, there is a Griffin SPRM™ model optimized to fit your rifle setup.
So who’s behind the Blog?

Steven Rose
SPRM™ rings are manufactured in the USA at Griffin’s Wisconsin manufacturing facility. Mounts are machined on state-of-the-art multi-axis CNC equipment from 6061 T6 aluminum. Manufacturing in-house provides Griffin Armament with the ability to control quality at levels rarely delivered by contract manufacturers. The geometries of Griffin SPRM™ mounts are machined to part datums probed on each part. Prior to machining, costly manufacturing time is dedicated to each part with Renishaw probe strategies coupled with Renishaw RTS set tool magazines. This ensures critical geometries are machined to positional accuracies of +-.0002” rather than depending on human loading accuracy in a much looser relationship to work holding based datums typically found in traditional optic mount industry manufacturing processes.

Michael Welch (Senior Editor)
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Adrian Black (Senior Editor)
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