Category Archive for "Firearm Upgrades"

Hk MR556 / 416 Barrel Length / Profile Weight Comparison

  I get asked fairly often how much weight can be taken off of HK’s MR556 by going with a different length barrel or different profile under the handguard. The most common lengths for the MR556 / Hk 416 barrels

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SP89 Rumored to be imported to the US again.

SP89 Converted to MP5K Rumors are starting to circulate that Hk-USA may again offer the SP89 for sale in the US as the SP5K. It would be legal for import, since the exact same firearm manufactured by MKE has been
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PTR 91 G3 Mods and Upgrades – Video

Project Info PTR 91 GI Model. Client: TSD Date: August  2012 Project URL: PTR 91 Mods PTR 91 Mods Modifications: Paddle Mag Lever, Optic Rail, Trigger Job, Upgraded Grip Frame, Barrel Shortened and Threaded, Complete Envirotech Rifle Refinish In this
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