Guns
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The AR-15 is one of the most adaptable rifle platforms in history, and building one is easier than you think. Brownells has produced a comprehensive series of easy to use web based video instructions on assembling an AR-15. We cover the all the parts, variations, subassemblies, tools and complete building of the rifle so you can feel confident to tackle this project on your own. A PDF check list helps you with; parts to order, instructions and list of tools that you will need.
GunTech : How to Build An AR-15 Video - World's Largest Supplier of Firearm Accessories, Gun Parts and Gunsmithing Tools - BROWNELLS
Improved Battlesight Zero
An Improved Battlesight Zero for the M4 Carbine and M16A2 Rifle 2. The current 300 meter battlesight zero is a function of the sights on the rifle and I personally find it shoots too high for the vast majority of combat targets, including the Army's qualification ranges. The procedure listed here takes better advantage of the flat trajectory of these rifles as well as the use of civilian ranges, which are seldom surveyed in meters. 3.
The Outback II is a highly advanced thread mounting .22LR suppressor that is adaptable to virtually all .22LR rifles and pistols. For its size the II has the highest reduction dry with the lowest first round "pop" in the industry. Constructed of 100% high tensile strangth aluminum alloys, it is finished in an attractive matte hard anodize finish. The Outback II is engineered so that there is no need to disassenble it for maintenance.
Gemtech Outback II
Because the .22 LR round is not copper jacketed, molten lead and carbon debris will explode into the silencer when the projectile exits the muzzle. After some time, it is possible for a .22 suppressor to fill completely with lead and become heavy and ineffective. To avoid this issue, .22 silencers must be disassembled for cleaning and regular maintenance. MPC technology has made it possible for shooters to disassemble the 22Sparrow easily after heavy use without the need of tools. Until Silencerco introduced the 22Sparrow, the only .22 silencers that could be disassembled for cleaning required a cleaning every 50 to 200 rounds. However, often the components of those silencers would be fused together and unable to come apart.