2.) Standard 3oz + Carbine Spring (white)

Sprinco Standard Power Carbine Spring (White) W/ BKF Standard Buffer (3.0oz)
(Equivalent spring power of a “fresh” AR15/M4 carbine action spring, this spring is for users who do not want to dabble with improving performance with extra power springs, but do not want to frequently replace their action springs as well)

Showing all 42 resultsSorted by price: low to high

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BKF AR15 Pistol Complete Mil-Spec Lower Receiver – No Stock (Pistol Buffer Tube Only)
Original price was: $215.56.Current price is: $172.45. UPC: 810124542726
Out Of Stock
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BKF AR15 Complete Lower Receiver – Anodized (No Logo)
Rated 4.75 out of 5
Original price was: $233.36.Current price is: $186.69. UPC: 810124542672
41 In stock
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BKF AR15 Complete MOE Lower Receiver – No Stock (No Logo)
Rated 5.00 out of 5
Original price was: $239.08.Current price is: $191.26. UPC: 810124542719
41 In stock
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BKF AR15 Pistol Complete MOE Lower Receiver – No Stock (Pistol Buffer Tube Only)
Original price was: $239.08.Current price is: $191.26. UPC: 810124542412
Out Of Stock
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BKF M16A2 Complete CQB Lower Receiver – Black Anodized
Rated 5.00 out of 5
Original price was: $240.74.Current price is: $192.59.
Out Of Stock
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BKF M16A2 Complete Lower Receiver – Black Anodized
Original price was: $242.04.Current price is: $193.63.
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BKF M4A1 Complete Lower Receiver – Black Anodized
Rated 5.00 out of 5
Original price was: $242.04.Current price is: $193.63.
Out Of Stock
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BKF M4 Carbine Complete Lower Receiver – Black Anodized
Original price was: $242.04.Current price is: $193.63.
14 In stock
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BKF XM4 Carbine Complete CQB Lower Receiver – Black Anodized
Original price was: $243.94.Current price is: $195.15.
4 In stock
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BKF M16A1 Complete CQB Lower Receiver – Black Anodized
Original price was: $267.94.Current price is: $214.35.
Out Of Stock
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BKF M4 MOD-0 Standard Power Complete Lower Receiver – No Stock
Rated 4.88 out of 5
Original price was: $283.54.Current price is: $226.83. UPC: 810124542887
91 In stock
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BKF AR15 Complete Sopmod Lower Receiver – (No Logo)
Rated 5.00 out of 5
Original price was: $289.70.Current price is: $231.76.
41 In stock
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BKF M16A2 Complete Rifle Lower Receiver – Black Anodized
Original price was: $294.58.Current price is: $235.66.
Out Of Stock
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BKF M16A4 Complete Rifle Lower Receiver – Black Anodized
Original price was: $294.58.Current price is: $235.66.
18 In stock
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BKF M4 MOD-0 Intermediate Power Complete Lower Receiver (H1) – No Stock
Original price was: $295.54.Current price is: $236.43. UPC: 810124542924
91 In stock
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BKF AR15 Complete Rifle Lower Receiver – (No Logo)
Original price was: $297.78.Current price is: $238.22.
41 In stock
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BKF AR15 Complete MOE Lower Receiver – (No Logo)
Original price was: $298.60.Current price is: $238.88. UPC: 810124542917
34 In stock
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BKF AR15 V2 Premium Complete Rifle Lower Receiver – No Stock (No Logo)
Original price was: $301.88.Current price is: $241.50.
41 In stock
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BKF V2 Premium AR15 Complete MOE Lower Receiver – No Stock (No Logo)
Original price was: $302.76.Current price is: $242.20.
41 In stock
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BKF M16A1 Complete Lower Receiver – Black Anodized
Original price was: $306.82.Current price is: $245.45.
Out Of Stock
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BKF M16A1 Complete CQB Lower Receiver OD Green Stock and Grip – Black Anodized
Original price was: $319.44.Current price is: $255.55.
Out Of Stock
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BKF AR15 Complete SBA3 Lower Receiver – Anodized
Original price was: $333.56.Current price is: $266.85.
41 In stock
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BKF M4 MOD-0 Extra Power Complete Lower Receiver (H2) – No Stock
Original price was: $333.82.Current price is: $267.06. UPC: 810124543068
91 In stock
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15% OFF In Cart!!!
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BKF AR15 Complete MOE Rifle Lower Receiver – (No Logo)
Original price was: $344.44.Current price is: $275.55. UPC: 810124543143
41 In stock
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Sale!
BKF M4A1 Block I, II or III Sopmod Complete Lower Receiver – Black Anodized
Original price was: $360.24.Current price is: $288.19.
Out Of Stock
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Sale!
BKF M16A2 Complete Sopmod Lower Receiver – Black Anodized
Original price was: $360.24.Current price is: $288.19.
Out Of Stock
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BKF M4 MOD-0 Intermediate Power Complete SL Lower Receiver – Anodized
Rated 5.00 out of 5
Original price was: $381.54.Current price is: $305.23. UPC: 810124543150
91 In stock
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Sale!
BKF M16A1 Complete Sopmod MK12 Lower Receiver – Black Anodized
Original price was: $387.44.Current price is: $309.95.
Out Of Stock
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BKF M4 MOD-0 Standard Power Complete SL-S Lower Receiver – Anodized
Original price was: $396.04.Current price is: $316.83. UPC: 810124543198
19 In stock
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BKF M4 MOD-0 Standard Power Complete Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock
Rated 5.00 out of 5
Original price was: $406.40.Current price is: $325.12.
47 In stock
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BKF M4 MOD-0 Intermediate Power Complete SL-S Lower Receiver – Anodized
Original price was: $408.04.Current price is: $326.43. UPC: 810124543204
19 In stock
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BKF M4 MOD-0 Intermediate Power (H1) Complete Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock
Rated 5.00 out of 5
Original price was: $418.40.Current price is: $334.72.
47 In stock
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BKF M4 MOD-0 Extra Power (H2) Complete Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock
Rated 5.00 out of 5
Original price was: $432.40.Current price is: $345.92.
47 In stock
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BKF M4 MOD-0 A5H Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock
Original price was: $436.24.Current price is: $348.99.
42 In stock
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BKF M4 MOD-0 A5H1 Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock
Original price was: $448.24.Current price is: $358.59.
42 In stock
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BKF M4 MOD-0 A5H2 Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock
Original price was: $456.84.Current price is: $365.47.
5 In stock
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BKF M4 MOD-0 A5H3 Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock
Original price was: $465.84.Current price is: $372.67.
42 In stock
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BKF M4 MOD-0 Standard Power Complete Moe Rifle Lower Receiver W/ 4.5lb Two Stage Combat Control Kit
Original price was: $503.74.Current price is: $402.99.
47 In stock
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BKF M4 MOD-0 Standard Power Complete SL-S Lower Receiver W/ 4.5lb Two Stage Combat Control Kit
Original price was: $518.90.Current price is: $415.12.
19 In stock
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BKF M4 MOD-0 Intermediate Power (H1) Complete SL-S Lower Receiver W/ 4.5lb Two Stage Combat Control Kit
Original price was: $530.90.Current price is: $424.72.
19 In stock
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BKF M4 MOD-0 Extra Power (H2) Complete SL-S Lower Receiver W/ 4.5lb Two Stage Combat Control Kit
Original price was: $544.90.Current price is: $435.92.
19 In stock
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BKF M4 MOD-0 Standard Power Complete PRS Rifle Lower Receiver W/ 4.5lb Two Stage Combat Control Kit
Original price was: $755.30.Current price is: $604.24.
2 In stock
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2.) Standard 3oz + Carbine Spring (white)

BKF AR15 Pistol Complete Mil-Spec Lower Receiver – No Stock (Pistol Buffer Tube Only)

BKF AR15 Complete Lower Receiver – Anodized (No Logo)

BKF AR15 Complete MOE Lower Receiver – No Stock (No Logo)

BKF AR15 Pistol Complete MOE Lower Receiver – No Stock (Pistol Buffer Tube Only)

BKF M16A2 Complete CQB Lower Receiver – Black Anodized

BKF M16A2 Complete Lower Receiver – Black Anodized

BKF M4A1 Complete Lower Receiver – Black Anodized

BKF M4 Carbine Complete Lower Receiver – Black Anodized

BKF XM4 Carbine Complete CQB Lower Receiver – Black Anodized

BKF M16A1 Complete CQB Lower Receiver – Black Anodized

BKF M4 MOD-0 Standard Power Complete Lower Receiver – No Stock

BKF AR15 Complete Sopmod Lower Receiver – (No Logo)

BKF M16A2 Complete Rifle Lower Receiver – Black Anodized

BKF M16A4 Complete Rifle Lower Receiver – Black Anodized

BKF M4 MOD-0 Intermediate Power Complete Lower Receiver (H1) – No Stock

BKF AR15 Complete Rifle Lower Receiver – (No Logo)

BKF AR15 Complete MOE Lower Receiver – (No Logo)

BKF AR15 V2 Premium Complete Rifle Lower Receiver – No Stock (No Logo)

BKF V2 Premium AR15 Complete MOE Lower Receiver – No Stock (No Logo)

BKF M16A1 Complete Lower Receiver – Black Anodized

BKF M16A1 Complete CQB Lower Receiver OD Green Stock and Grip – Black Anodized

BKF AR15 Complete SBA3 Lower Receiver – Anodized

BKF M4 MOD-0 Extra Power Complete Lower Receiver (H2) – No Stock

BKF AR15 Complete MOE Rifle Lower Receiver – (No Logo)

BKF M4A1 Block I, II or III Sopmod Complete Lower Receiver – Black Anodized

BKF M16A2 Complete Sopmod Lower Receiver – Black Anodized

BKF M4 MOD-0 Intermediate Power Complete SL Lower Receiver – Anodized

BKF M16A1 Complete Sopmod MK12 Lower Receiver – Black Anodized

BKF M4 MOD-0 Standard Power Complete SL-S Lower Receiver – Anodized

BKF M4 MOD-0 Standard Power Complete Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock

BKF M4 MOD-0 Intermediate Power Complete SL-S Lower Receiver – Anodized

BKF M4 MOD-0 Intermediate Power (H1) Complete Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock

BKF M4 MOD-0 Extra Power (H2) Complete Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock

BKF M4 MOD-0 A5H Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock

BKF M4 MOD-0 A5H1 Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock

BKF M4 MOD-0 A5H2 Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock

BKF M4 MOD-0 A5H3 Lower Receiver W/ 4.5lb Two Stage Combat Control Kit – No Stock

BKF M4 MOD-0 Standard Power Complete Moe Rifle Lower Receiver W/ 4.5lb Two Stage Combat Control Kit

BKF M4 MOD-0 Standard Power Complete SL-S Lower Receiver W/ 4.5lb Two Stage Combat Control Kit

BKF M4 MOD-0 Intermediate Power (H1) Complete SL-S Lower Receiver W/ 4.5lb Two Stage Combat Control Kit

BKF M4 MOD-0 Extra Power (H2) Complete SL-S Lower Receiver W/ 4.5lb Two Stage Combat Control Kit

BKF M4 MOD-0 Standard Power Complete PRS Rifle Lower Receiver W/ 4.5lb Two Stage Combat Control Kit

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