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radian
The radian is the standard unit of angular measure, used in many areas of mathematics. The length of an arc of a unit circle is numerically equal to the measurement in radians of the angle that it subtends; one radian is just under 57.3 degrees (expansion at A072097). The unit was formerly an SI supplementary unit, but this category was abolished in 1995 and the radian is now considered an SI derived unit.
Separately, the SI unit of solid angle measurement is the steradian.
The radian is represented by the symbol rad. An alternative symbol is c, the superscript letter c (for "circular measure"), the letter r, or a superscript R, but these symbols are infrequently used as it can be easily mistaken for a degree symbol (°) or a radius (r). So, for example, a value of 1.2 radians could be written as 1.2 rad, 1.2 r, 1.2rad, or 1.2c, or 1.2R.
$900
MAXIM DEFENSE PDW COMPLETE UPPER. COMPATIBLE WITH ANY MIL-SPEC LOWER
ABOUT 200RDS FIRED
RADIAN CHARGING HANDLE
ORIGINAL BOX
PREFER TO MEET AT MAZAMA IN EUGENE.
WTS/WTT a Radian Mod 1 10.5in 5.56 AR pistol. This was built off of a Factory build kit. The Radian is Black. Barrel used Noveske 10.5in, Surefire closed tine muzzle device, Lmt buffer tube. H2 buffer with JP enhanced spring. SSA-E trigger. Swapped the forward assist for the Forward controls low...
Sweet little ar 9. Super fun to shoot and very reliable. Sadly not shooting much right now and she just sits in the safe. (In my defense I just had my first child so I’m pretty busy) This is the 7 inch version, has geissele trigger, radian raptor charging handle and streamlight rm1 light...
Selling a used Radian LT CH. I bought this from another member on here and never used it. Shows wear in the usual spots. Looking for $30 face to face in Vancouver. No shipping.
Brand new 14.5 adm uic mod 2 upper.
The fit and finish on this thing is next to none. Retail for 1250 with 8 week lead time. It has Criterion 14.5 in hybrid barrel. Pinned surefire warcomp neutral timed, adm enhanced BCG (qpq finish) radian raptor charging handle...
Used in more of a DMR role. (Using other glass 😊). Roughly 500 rounds through it. I was able to achieve MOA groups with frontier 75 gr.
Upper:
Purchased complete roughly 2 years ago from BCM. Mk2 upper (supposed to help rigidity/accuracy) 16” BFH (cold hammer forged) barrel. Bcm bolt...
Looking to sell my Aero 300 blackout build. It have about 100 round on it and is tune to run 220 grain subs and supersonic. Once tuned, it ran flawlessly with all type of ammo. Not looking for trades as I need funds for my clone build. Here’s the parts list below and pm me if you have any...
Hey troops, thought Ild try here before buying retail.
I’m looking for a AR15 with a 14.5 or 13.7 Barrel,
Prefer quality factory or high end build. Im wanting to try something different from standard. Open to complete upper, also. Not married to any particular brand. I do like Daniel Defence ...
2 sets of Black Multicam Special Edition Radian Raptor SL / Talon sets.
These were released to fund a rally that Radian was hosting. These have "Defend The 2nd" and "For Oregon" on them along with a Beaver wearing NODs.
One set was installed on a rifle with a folding lower but I quickly...
**Consignment**
F1 UDR-15-3G Lower
PSA 11.5” Slim Upper
Timney Trigger
Sig Romeo MSR Red Dot
Radian Competition Raptor Charging Handle in Blue
Radian Talon Safety Selectors in Blue
Strike Blue Takedown Pins
Strike Blue Billet Dust Cover
Strike Blue Forward Assist
Strike Blue Buffer Tube
Magpul...
6920 Take off
Geissele SSA-E
Maritime Bolt Catch
Radian Ambi Safety
Magpul K2
B5 Sopmod Enhanced
If shipping, your FFL must accept transfers from a individual. Local FFL will be Pantel Tactical in Renton, WA.
Focusing on my Tikka long range project , so this has to go. Colt upper with heavy barrel (HBAR) profile. Lower is outfitted with ALG ACT trigger,Radian selector switch, and Magpul handguard. Comes with original Colt handguard as well.
Looking for straight trade for Geissele Airborne in ODG in similar condition. The Raptor SD "silencer-optimized" is brand new out of my builders kit. May also consider ambi PRI Gas Buster but the G takes priority.