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AR Lower Parts
SLCF (Selectable Lower Components, FCD)
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SLCF (Selectable Lower Components, FCD)
Your Price:
$0.00
Part Number:
SLCF
Availability:
In Stock.
Choose Options
Pivot and take down pins
*
Do not include take down and pivot pins
PF-040, with 4 detents and 3 springs (+$40.00)
HF-601 with 4 detents and 3 springs (+$45.00)
Selector center (ASF 50 or 90), includes ASF small parts. Center only, choose the levers below
*
Do not include ASF center
ASF 90 degrees, semi auto (+$39.00)
ASF 50 degrees, semi auto (+$39.00)
ASF left side lever
*
Do not include ASF left side lever
Long, non-offset (+$22.50)
Long Q (offset) (+$22.50)
Long Q (offset), Winter (wider ) (+$22.50)
Short, (non-offset) (+$22.50)
Short, Q (offset) (+$22.50)
End cap (+$22.50)
ASF right side lever
*
Do not include ASF right side lever
Short, non-offset) (+$22.50)
Short, Q (offset) (+$22.50)
Long, non-offset (+$22.50)
Long Q (offset) (+$22.50)
Long Q (offset), Winter (wider ) (+$22.50)
End cap (+$22.50)
ABC/R Variations
*
Do not include bolt catch
Serrated with standard paddles (non-biased) (+$62.00)
Serrated with rearward biased upper paddle (+$62.00)
Serrated with forward biased upper paddle (+$62.00)
Dimpled with standard paddles (centered upper paddle) (+$62.00)
Dimpled with rearward biased upper paddle (+$62.00)
Dimpled with forward biased upper paddle (+$62.00)
LMT MARS-L compatible with serrated paddles (+$62.00)
LMT MARS-L compatible with dimpled paddles (+$62.00)
Trigger Guard
*
Do not include trigger guard
TGF, Winter, Black (+$25.00)
TGF, Winter, FDE (+$25.00)
TGF , Winter, ODG (+$25.00)
TGF, Standard/Straight, Black (+$25.00)
TGF, Standard/Straight, FDE (+$25.00)
TGF, Standard/Straight, ODG (+$25.00)
Magazine Catch
*
Do not include magazine catch
LMC Non-ambidextrous ,includes mag catch spring (+$35.00)
EMR-A (ambidextrous) , includes mag catch spring, standard length, serrated lever (+$70.00)
EMR-A EXT (ambidextrous), includes mag catch spring, extended, serrated lever (0.09 longer) (+$70.00)
EMR-A AA (ambidextrous), includes mag catch spring, dimpled lever (+$70.00)
Magazine Release Button
*
Do not include magazine release button
EMR-H, Serrated, QPQ black, with 10.9 in lb spring (+$18.00)
EMR-H AA, Dimpled, QPQ black, with 10.9 in lb spring (+$18.00)
Castle Nut
*
Do not include CNF (Caslte Nut, Forward Controls)
CNF, QPQ Black (+$20.00)
CNF, Cerakte FDE (+$30.00)
CNF, Cerakote ODG (+$30.00)
CNF, Cerakote Grey (+$30.00)
CNF, Cerakote Burnt Bronze (+$30.00)
CN5F, QPQ Black (for A5, will not allow most carbine stock to fully collapse) (+$24.00)
CN5F, Cerakote FDE (for A5, will not allow most carbine stock to fully collapse) (+$34.00)
CN5F, Cerakote ODG (for A5, will not allow most carbine stock to fully collapse) (+$34.00)
CN5F, Cerakote Burnt Bronze (for A5, will not allow most carbine stock to fully collapse) (+$34.00)
CN5F, Cerakote Goose Grey (for A5, will not allow most carbine stock to fully collapse) (+$34.00)
Carbine end plate
*
Do not include carbine end plate
ESF-H, 3 sockets, Black DLC (+$66.00)
ESF-H, 3 sockets, Cerakote FDE (+$66.00)
ESF-H, 3 sockets, Cerakote ODG (+$66.00)
ESF-H, 3 sockets, Cerakote Burnt Bronze (+$66.00)
ESF-H, 3 sockets, Cerakote Goose Grey (+$66.00)
ESF-H1, single rear socket, Black DLC (+$51.00)
ESF-E, Eyelet, Black DLC (+$51.00)
ESF-E, Eyelet, Cerakote FDE (+$61.00)
ESF-E, Eyelet, Cerakote ODG (+$61.00)
ESF-E, Eyelet, Cerakote Burnt Bronze (+$61.00)
B5 Systems carbine QD end plate (+$23.00)
Buffer retainer upgrade
*
Do not include RBF
Add RBF (Reinforced Buffer retainer (with 2 springs)) (+$9.00)
Trigger
*
Do not include trigger
Schmid NIB single stage trigger (+$44.95)
Schmid 2 stage NIB stage trigger (+$78.00)
SOLGW L2S 2 stage trigger (+$142.50)
LaRue MBT2-S 2 stage trigger, curved trigger bow (+$115.00)
LaRue MBT2-S 2 stage trigger, straight trigger bow (+$115.00)
Trigger and hammer pins (not needed if you opt to include a trigger)
*
Do not include HTP
HTP (Hammer, Trigger Pins, set of 2 pins) (+$18.00)
Pistol grip, includes SOLGW grip screw
*
Do not include GSA (Grip, Short, A1 or A2 pattern)
GSA1, Black (+$40.00)
GSA1, Cerakote FDE (+$55.00)
GSA1, Cerakote ODG (+$55.00)
GSA2, Black (+$40.00)
GSA2, Cerakote FDE (+$55.00)
GSA2, Cerakote ODG (+$55.00)
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Description
SLCF (Selectable Lower Components, Forward Controls Design) is our answer to many veteran AR users and builders. Given the variety of superbly designed, non-factory components in the market space, the LPK as we know it seems to be of a mindset of early 2000s. While a typical LPK will contain pins, detents and components that seem to be in a perpetual state of shortage in our parts bin, there are also parts that don't fit our needs and are completely unused. The idea of an one size fits all LPK is ill suited for many experienced AR owners.
As my friend Nate Schultz (NSZ85) is fond of saying, no is always an acceptable answer. So we incorporated "absence might be a better option" into the SLCF. SLCF has "Do not include" is the default, and starts with a base price of $0 (nothing included), you can add what you need.
SLCF is essentially a collection of lower parts all on one convenient page. Last available in 2020, the 2025 updated SLCF has more options (triggers, ESF-H and CNF varieties) and fewer in other areas (stocks, buffer springs).
Additional grips and carbine stocks can be found on related items shown below the description.
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