ASF-SF is a conventional 0-90-180 (rotate
to 90 degree for FIRE/SEMI, rotate 90 degree further for AUTO/BURST)
select fire selector with q (offset) levers.ASF (Ambidextrous Selector, Forward Controls) and SOLGW’s The Quick is a joint
project between FCD and SOLGW. The two companies have been collaborating on a few projects,
starting with the 4140 steel MLOK sling mount (MSQ-H in FCD alphabet soup parlance).
Work began in Dec. 2018 to create a safety that’s an embodiment of our not
inconsiderable experience in AR15/M16 selector design and knowledge over the
years.
ASF was designed from the ground up to be a
defense/duty/combat safety selector, its mission is quite aptly reflected by
the way its levers are attached the center, via a stainless steel roll
pin. The lever to center interface is
immensely strong, the high shear strength (800 lbs) 420 stainless steel spring
steel roll pin simply holds the two in place, and doesn't handle any load. One of the design goals dictates there be little to no wobble between the lever and center, we’ve called for very
tight tolerances (+0.001/-0.00) on ASF's lever and center interface to achieve that. NOTE:
+/- 0.002 combined tolerance (+/- 0.001 on the levers and center's
lever attachment interface) can, on rare occasions, can exhibit minute
movement, this is normal, and unavoidable, the 0.002 of movement is
almost imperceptible and doesn't affect ASF's function.
We are known to many for the dimpled
pattern we use on some control surfaces (AA, or All Angles, is our designation). ASF levers are serrated, not dimpled. As the lever rotates, the user’s finger
slides on the lever, anything but serrations along the length of the lever only
impedes that movement and creates friction for no benefit. Serrations diagonal or perpendicular to the
length of the lever are similarly unhelpful.
Serrations parallel to the lever's length help mitigate lateral movement, and
do not impede the finger's sliding motion. ASF lever's profile isn't square,
its outer most portion is somewhat tapered for a reason. When the user’s hand
holds the pistol grip, the profile of the ASF lever conforms to angle of the
thumb's pad.For our friends and customers that wish to see dimples on the ASF, there is a single dimple on both sides to
function as a position indicator (in lieu of a pointer), it’s elegant and
simple.
As we're fond of saying, attention to detail matters in its application.
The end cap is for those that don’t wish to have a lever on
the weak side of the receiver. With the
end cap, ASF becomes a
convertible selector (between ambidextrous and non-ambidextrous.)
ASF is shipped with a selector spring, a
KNS nitrided selector detent, two levers (or one lever, with an end
cap), 4 roll pins (two are needed for installation, with 2 spares), with
a single lever partially assembled.
ASF centers are billet machined in 8620,
heat treated and black nitrided. Levers are billet machined in 8620 and
black nitrided.
ASF is a collaboration with Sons of Liberty Gunworks. Made in the USA.
For ASF installation instructions, please visit this FCD page: ASF Installation
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