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Description (Introduction of product) The Daniel Defense MFR(Modular Float Rail) is a CNC Machined Modular Free Float Handguard. It is specifically designed to adequately cover a low profile gas block on a carbine or mid-length gas system barrel. The MFR has been engineered to provide each shooter with the ultimate in modular adaptability. Should the shooter desire, the tube can be run “slick” with an unitterupted top rail that runs the length of the tube. In addition, the installation of Modular Picatinny Rails is accomplished with little effort. This allows you to have rails anywhere you need them and nowhere you don’t. The slim profile feature of the MFR 12.0 keeps the shooter’s support hand close to the bore which aids in firearm manipulation, and the design and construction allow for the attachment of Picatinny Rail Sections at standard 90 degree or offset angles. 

The Diablo Upper is Primary Weapons Systemsï¾’ answer to the 7ï¾” AR-15/M-16 series upper. Rather than simply bolting on an existing product and calling it revolutionary, PWS stepped back and designed a system from the ground up to work specifically with the extreme pressures of the 7ï¾” barrels. We started with the barrel and after careful research decided on a 7ï¾” (not 7.5ï¾”) stainless steel polygonal bore barrel with a 1:8 twist. A match bolt carrier assembly is housed inside of a MUR-1 (mil-spec) upper receiver with a billet machined charging handle. Low profile quad rails give the most possible room for accessories and XTM rail covers. The Diablo upper utilizes a long stroke piston system for additional dwell time and smooth recoil. The system is rounded out with the new CQB comp from PWS - a comp designed for short barrels that compensates, suppresses flash and directs all the blast forward.

The MK1 series, developed by Primary Weapons Systems, is a significant product improvement for the M4/M16-type carbines and rifles. Utilizing our proven long stroke piston system, the MK1 series greatly reduces fouling in the action of the weapon making it as reliable as the AK47 that it was designed after. 

The MK1 series, developed by Primary Weapons Systems, is a significant product improvement for the M4/M16-type carbines and rifles. Utilizing our proven long stroke piston system, the MK1 series greatly reduces fouling in the action of the weapon making it as reliable as the AK47 that it was designed after. 

Theï¾ PWS Enhanced Buffer Tube is the first major upgrade and improvement to the buffer tube in years! This one piece billet buffer tube is CNC machined out of solid 7075 aluminum in order to gain lightweight strength and reliability.ï¾  This unit is specifically designed to workï¾ fit the HK416, butï¾ will alsoï¾ fit allï¾ mil-spec lower receivers.ï¾  The Enhanced Buffer Tube will resolve any carrier tiltï¾ symptoms exhibited by a short stroke piston AR and will reduce felt recoil.