5.56 Nato Complete Uppers

Ar15 5.56 Nato Complete Uppers – B. King’s Firearms

Showing 1–48 of 170 results

Pin Gas block option (only BKF .750 Gas Blocks)
Rated 5.00 out of 5
$20.00
413 in stock
Add to cart
Dimpled barrel option (only BKF .750 Gas Blocks)
$20.00
35 in stock
Add to cart
Save $3.12
ADD BKF M4 MK1 5.56/223 Comp (Replaces A2)
Rated 5.00 out of 5
Original price was: $25.00.Current price is: $21.88.
93 In stock
Add to cart
Save $6.68
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
ADD BKF M4 MK2 Full Power 5.56/.223 Comp (Replaces A2)
Original price was: $33.40.Current price is: $26.72. UPC: 810124540029
166 in stock
Add to cart
Save $12.50
Pin & Weld Flash hider/Brake
Rated 4.93 out of 5
Original price was: $42.50.Current price is: $30.00.
9 in stock
Add to cart
Pin Front Sight Base Gas block option (only .750 FSB)
$35.00
223 in stock
Add to cart
Save $23.90
BKF AR15 BCG (billet extractor) and Charging Handle – Black Nitride
Rated 4.90 out of 5
Original price was: $119.52.Current price is: $95.62.
361 in stock
Add to cart
Save $30.48
BKF AR15 BCG and Warhammer Ambi Charging Handle – Black Nitride
Rated 4.96 out of 5
Original price was: $152.38.Current price is: $121.90.
123 In stock
Add to cart
Save $30.70
BKF AR15 C158 BCG and Charging Handle – Black Nitride
Rated 5.00 out of 5
Original price was: $153.52.Current price is: $122.82.
20 in stock
Add to cart
Save $35.06
BKF AR15 BCG and Sledgehammer Ambi Charging Handle – Black Nitride
Rated 5.00 out of 5
Original price was: $175.32.Current price is: $140.26.
152 In stock
Add to cart
Save $37.28
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 C158 BCG and Warhammer Ambi Charging Handle – Black Nitride
Rated 4.83 out of 5
Original price was: $186.38.Current price is: $149.10.
20 In stock
Add to cart
Sale!
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 BCG and Warhammer Ambi Charging Handle – Chameleon
Rated 5.00 out of 5
Original price was: $190.38.Current price is: $152.30.
Out Of Stock
Read more
Save $41.04
BKF AR15 BCG and Ambi Charging Handle – DLC
Rated 4.92 out of 5
Original price was: $205.18.Current price is: $164.14.
23 In stock
Add to cart
Save $41.04
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 BCG and Warhammer Ambi Charging Handle – Blue
Rated 5.00 out of 5
Original price was: $205.18.Current price is: $164.14.
17 In stock
Add to cart
Sale!
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 6.5 Grendel/6mm ARC/22 ARC BCG and Sledgehammer Ambi Charging Handle – Chrome Lined Phosphate
Original price was: $205.32.Current price is: $164.26.
Out Of Stock
Read more
Save $41.28
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 BCG and Warhammer Ambi Charging Handle – Nickel Boron
Rated 5.00 out of 5
Original price was: $206.38.Current price is: $165.10.
49 In stock
Add to cart
Save $41.60
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 BCG and Warhammer Ambi Charging Handle – Chrome Lined Phosphate
Rated 4.91 out of 5
Original price was: $208.00.Current price is: $166.40.
54 In stock
Add to cart
Save $41.86
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 C158 BCG and Sledgehammer Ambi Charging Handle – Black Nitride
Rated 5.00 out of 5
Original price was: $209.32.Current price is: $167.46.
21 In stock
Add to cart
Save $49.38
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 C158 BCG and Radian LT Ambi Charging Handle – Black Nitride
Original price was: $246.92.Current price is: $197.54.
10 In stock
Add to cart
Save $55.30
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 C158 BCG and Radian Ambi Charging Handle – Black Nitride
Original price was: $276.52.Current price is: $221.22.
21 In stock
Add to cart
Save $58.85
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 14.5″ 5.56 Nato 1/7 Twist Carbine Length Barrel W/ 13″ Slim M-LOK Rail
Rated 5.00 out of 5
Original price was: $294.26.Current price is: $235.41.
40 In stock
Add to cart
Save $60.75
BKF AR15 10.5″ 5.56 Nato Govt 1/7 Twist Carbine Length Barrel W/ 9.875″ Slim M-LOK Rail
Rated 5.00 out of 5
Original price was: $303.76.Current price is: $243.01. UPC: 810124543112
64 In stock
Add to cart
Save $163.37
Bargain Bin!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 8″ 5.56 Nato Govt 1/7 Twist Carbine Length BKF Barrel W/ 7″ Lightweight MOD-1 M-LOK Rail
Original price was: $408.42.Current price is: $245.05.
35 In stock
Add to cart
Sale!
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 16″ 5.56 Nato Govt 1/8 Twist Carbine Length Barrel W/ 15″ Slim M-LOK Rail
Rated 5.00 out of 5
Original price was: $307.26.Current price is: $245.81.
Out Of Stock
Read more
Save $62.80
BKF AR15 7.5″ 5.56 Nato 1/7 Twist Pistol Length Barrel W/ 7″ Slim M-LOK Rail
Rated 5.00 out of 5
Original price was: $313.98.Current price is: $251.18. UPC: 810124542986
8 In stock
Add to cart
Save $63.52
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 8″ 5.56 Nato 1/7 Twist Pistol Length Barrel W/ 7″ Slim M-LOK Rail
Original price was: $317.60.Current price is: $254.08. UPC: 810124543044
1 In stock
Add to cart
Save $64.06
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 16″ 5.56 Nato Govt 1/7 Twist Mid Length Barrel W/ 13″ Slim M-LOK Rail
Rated 5.00 out of 5
Original price was: $320.30.Current price is: $256.24.
94 In stock
Add to cart
Save $170.98
Bargain Bin!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 14.5″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 13.5″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 4.89 out of 5
Original price was: $427.44.Current price is: $256.46.
33 In stock
Add to cart
Sale!
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 16″ 5.56 Nato Govt 1/7 Twist Mid Length 416R SS Barrel W/ 15″ Slim M-LOK Rail
Original price was: $323.26.Current price is: $258.61. UPC: 810124543020
Out Of Stock
Read more
Save $172.93
Bargain Bin!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 13.5″ FFSSR Handguard (BKF W/ Pinned Gas Block)
Rated 4.92 out of 5
Original price was: $432.32.Current price is: $259.39.
59 In stock
Add to cart
Save $172.94
Bargain Bin!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 Govt 12.5″ 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 4.97 out of 5
Original price was: $432.36.Current price is: $259.42.
6 In stock
Add to cart
Sale!
BKF AR15 16″ 5.56 Nato Pencil 1/7 Twist Mid Length Barrel W/ 15″ Slim M-LOK Rail
Rated 5.00 out of 5
Original price was: $331.24.Current price is: $260.16. UPC: 810124543174
Out Of Stock
Read more
Save $174.01
Bargain Bin!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 10.5″ 5.56 Nato Carbine Length Nitrided Barrel W/ 9″ M-LOK Handguard (BKF W/ Pinned Gas Block)
Original price was: $435.02.Current price is: $261.01.
26 In stock
Add to cart
Save $65.26
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 14.5″ 5.56 Nato Govt 1/7 Twist Mid Length Barrel W/ 13″ Slim M-LOK Rail
Rated 5.00 out of 5
Original price was: $326.30.Current price is: $261.04. UPC: 810124543129
87 In stock
Add to cart
Save $65.45
BKF AR15 16″ 5.56 Nato Govt 1/7 Twist Mid Length Barrel W/ 15″ Slim M-LOK Rail
Rated 4.90 out of 5
Original price was: $327.26.Current price is: $261.81. UPC: 810124545680
94 In stock
Add to cart
Save $66.02
BKF AR15 8″ 5.56 Nato 1/7 Twist Pistol Length Barrel W/ 7″ Slim M-LOK Rail
Original price was: $330.10.Current price is: $264.08. UPC: 810124543044
35 In stock
Add to cart
Sale!
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 20″ 5.56 Nato 1/9 Twist Rifle Length Barrel W/ 15″ Slim M-LOK Rail
Rated 5.00 out of 5
Original price was: $337.76.Current price is: $270.21.
Out Of Stock
Read more
Save $180.51
Bargain Bin!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 14.5″ Pinned to 16″ Govt 5.56 Nato Mid length 1/7 Twist Barrel W/ 13.5″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
Original price was: $451.28.Current price is: $270.77.
32 In stock
Add to cart
Sale!
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 14.5″ 5.56 Govt Profile Mid Length 4150 CMV 1/7 Twist Barrel W/ Triangle Cap, FSB
Rated 5.00 out of 5
Original price was: $341.12.Current price is: $272.90.
Out Of Stock
Read more
Save $182.99
Bargain Bin!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 11.5″ 5.56 Nato Govt 1/7 Twist Carbine Length BKF Barrel W/ 11″ Lightweight MOD-1 M-LOK Rail
Original price was: $457.48.Current price is: $274.49.
48 In stock
Add to cart
Save $183.40
Bargain Bin!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 11.5″ 5.56 Nato Carbine Length Nitrided Barrel W/ 11″ M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
Original price was: $458.50.Current price is: $275.10.
41 In stock
Add to cart
Sale!
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF M4 MOD-0 14.5″ 5.56 Govt Profile mid Length 4150 CMV 1/7 Twist Barrel W/ Triangle Cap, FSB (No Handguard)
Rated 4.88 out of 5
Original price was: $345.84.Current price is: $276.67.
Out Of Stock
Read more
Save $69.17
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF M4 MOD-0 13.9″ 5.56 Govt Profile Mid Length 4150 CMV 1/7 Twist Barrel W/ Triangle Cap, FSB (No Handguard)
Rated 5.00 out of 5
Original price was: $345.84.Current price is: $276.67.
24 In stock
Add to cart
Save $69.93
BKF AR15 11.5″ 5.56 Nato Govt 1/7 Twist Carbine Length Barrel W/ 9.875″ Slim M-LOK Rail
Rated 5.00 out of 5
Original price was: $349.64.Current price is: $279.71. UPC: 810124543075
48 In stock
Add to cart
Save $187.38
Bargain Bin!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 14.5″ 5.56 Nato Mid Length Nitrided Barrel W/ 13″ M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
Original price was: $468.44.Current price is: $281.06.
33 In stock
Add to cart
Save $70.34
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF M4 MOD-0 14.5″ 5.56 M4 Profile Carbine Length 4150 CMV 1/7 Twist Barrel W/ M4 Cap, FSB (No Handguard)
Original price was: $351.68.Current price is: $281.34.
11 In stock
Add to cart
Save $70.59
20% OFF In Cart!!!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 14.5″ 5.56 M4 Profile Carbine Length 4150 CMV 1/7 Twist Barrel W/ M4 Cap, FSB
Original price was: $352.96.Current price is: $282.37.
11 In stock
Add to cart
Save $188.86
Bargain Bin!
10% off (Monthly and Holiday Discounts)

10% off any AR15 Complete Lower and AR15 Barrel when purchased together
BKF AR15 12.5″ 5.56 Nato Carbine Length Nitrided Barrel W/ 11″ M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
Original price was: $472.16.Current price is: $283.30.
41 In stock
Add to cart

HOT DEALS

(Click Deal for More Information)

Important notice

Notice - Ammunition.
Ammunition is restricted from sale to CT, IL, MA, NJ, NY, RI, New Orleans, LA, and Washington DC. You must be 18 or older to purchase ammunition, and 21 or older to purchase handgun ammunition. You must be 21 or older to purchase ammunition in DE. For safety reasons, we do not accept returns on ammunition.
All ammunition is considered hazardous and will be shipped ground, contiguous 48 states only. A street address is required for delivery.

Notice - Hazardous Material.
Hazardous Material. Must ship ground only. Not eligible for expedited shipping. Contiguous 48 states only. A physical address is required for delivery.

Notice - Ammo Returns.
For safety reasons we do not accept returns on ammunition, black powder, primers, reloading lead and brass or bullets.

Privacy Policy:

B. King's Firearms is a registered business in state of Ohio. What follows is the online privacy policy of B. King's Firearms, which governs personal information gathered on its Internet site, www.bkingsfirearms.com, in general and other registration forms related to training classes and store purchased offered by B. King's Firearms, as may be included on our Internet site, specifically.

Commitment to Online Security:

Physical, electronic and managerial procedures have been employed to safeguard the security and integrity of all personal information. B. King's Firearms encrypts billing information wherever such information is requested. No agents or contractors of B. King's Firearms have access to personal information obtained on the B. King's Firearms Web site.

Personal information that B. King's Firearms may collect online:

B. King's Firearms collects personal information online, including, but not limited to, names, birth dates, driver’s license (or State issued identification) numbers, postal and e-mail addresses, phone numbers, and billing information. B. King's Firearms does not knowingly collect or maintain any personal information from children under the age of 17. In addition, no parts of our sites are designed with the purpose of attracting any person under the age of 17.

How B. King's Firearms Uses Personal Information Collected Online:

Unless you otherwise consent, we will use your personal information only for the purpose for which it is submitted, such as to reply to your emails and process billing requests related to services and products to which we provide.

At certain points where personal information is collected on our site, there may be a box where you may indicate you would like to be on a mailing list to receive information about B. King's Firearms other programs and services and articles of interest relating to firearms, shooting, or general products. At any time you can add or remove your name from a B. King's Firearms list by contacting us at:

[email protected]
Subject: unsubscribe

How Your Information May Be Shared:

We never sell or rent your personal information. B. King's Firearms may, however, release personal information under the following circumstances:

Where release is required by law (for example, a subpoena) or regulation or is requested by a government agency;

Where our records indicate an individual may be engaged in fraudulent activity or other deceptive practices that a governmental agency should be made aware of;

To appropriate persons, where your communication suggests possible harm to others.

Computer Tracking and Cookies:

Our Web sites are not set up to track, collect or distribute personal information not entered by visitors. Our site logs do generate certain kinds of non-identifying site usage data, such as the number of hits and visits to our sites. This information is used for internal purposes by technical support staff to provide better services to the public and may also be provided to others, but again, the statistics contain no personal information and cannot be used to gather such information.

Problems or Complaints with B. King's Firearms Privacy Policy:

If you have a concern or complaint about B. King's Firearms compliance with this privacy policy, please direct it to [email protected].

RETURN POLICY:

There is a restocking fee of 8% if the order is cancelled and refunded to your CC or we can offer 100% in store credit. Once the item has left our store the restocking fee is 15%. For Refund you must pay the shipping back. Item's that are not 100% same condition will be reviewed by the Owner for refund % if we accept the return.

Our products are covered by manufactures warranties 100%, with that being said if we find you have a manufactures defect with your product you would contact them directly for repair or replacement. You have 7 days from when the product is delivered to your door or picked up from your FFL to report any defects or problems to us. IE...We will not except a return if you report a tiny scratch when your order was delivered two months earlier...

There will be a 30% restocking fee on all controlled items returned because of failed background checks.