Category Archive for "Firearm Modifications"

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

Read More

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
Read More

PTR 91 G3 Mods and Upgrades – Video

Project Info PTR 91 GI Model. Client: TSD Date: August  2012 Project URL: http://www.onesourcetactical.com/tsdcombatsystems.aspx 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
Read More