Which should you buy, BCM or Odin Works?

BCM for upper receivers, bolt carrier groups and charging handles. Odin Works for stocks. Pick BCM if you don't mind paying more: builders pay 24% pricier than average. Builders pick its upper receivers 119x as often and bolt carrier groups 25x as often. Pick Odin Works if you don't mind paying more: builders pay 38% pricier than average. Builders pick its stocks 2.0x as often. Or mix them like builders do: 31% of Odin Works builds add BCM, most often the buffer tube.

Is BCM cheaper than Odin Works?

Close. BCM 24% pricier than average, Odin Works 38% pricier than average.

Which do more AR-15 builders use, BCM or Odin Works?

BCM. BCM is in 10.8x as many builds.

BCM or Odin Works: which receivers do builders pick?

BCM. BCM upper receivers picked 119x as often.

BCM or Odin Works: which internals do builders pick?

BCM. BCM bolt carrier groups picked 25x as often, charging handles picked 24x as often.

BCM or Odin Works: which furniture do builders pick?

BCM. BCM handguards picked 6x as often, Odin Works stocks picked 2.0x as often.

BCM vs Odin Works: AR-15 brands compared

Q: Can you mix BCM and Odin Works parts?

Yes. 31% of Odin Works builds add BCM, most often the buffer tube.

BCM leads in 5 of 6 categories.

BCM for upper receivers, bolt carrier groups and charging handles. Odin Works for stocks.

From tens of thousands of real builds and live prices at 30+ retailers.

Our take

BCM is best for:

BCM makes mil-spec AR uppers, barrels and bolt carriers, and it test fires every complete upper and bolt carrier group before it ships.

Mil-spec parts · Test fired uppers · Chrome lined barrels · Veteran founded

Paying more: about 24% above average
The more popular pick: in 37% of builds
Upper receivers, picked 119x as often
Bolt carrier groups, picked 25x as often

Odin Works is best for:

ODIN Works makes AR barrels, handguards, gas blocks and small parts like mag releases. Their 416R stainless barrels carry a 1 MOA guarantee.

Adjustable gas blocks · 1 MOA barrel guarantee · Lifetime warranty

Paying more: about 38% above average
Stocks, picked 2.0x as often

Many builders mix them: 31% of Odin Works builds add BCM, most often the buffer tube.

Biggest differences

"Picked" is the share of builds with that part that chose each brand.

	BCM	Odin Works	Difference
Price vs average	24% pricier	38% pricier
Share of builds	37%	3%	BCM 12x
Uppers picked	24%	0.2%	BCM 120x
BCGs picked	26%	1.0%	BCM 26x
Handguards picked	13%	2.3%	BCM 5x
Gas blocks picked	6.7%	1.5%	BCM 4x
Parts listed	776	290	BCM 2.7x

Price: Tie

For the same part, BCM parts run 24% pricier than average and Odin Works parts run 38% pricier than average.

Builder favorite: BCM wins

BCM is in 37% of builds and Odin Works is in 3% of builds.

Receivers: BCM wins

Builders pick BCM upper receivers (119x) more often than Odin Works. BCM lower receivers are picked often, Odin Works's rarely.

Why BCM: BCM M4 uppers are machined from 7075-T6 forgings with a Type III hard coat anodized finish.

Most picked BCM receivers

Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf$880.95, in stock at 2 stores

Bravo Company Manufacturing Lower Receiver$525.00, in stock at 6 stores

Bravo Company Mfg Upper Receiver w/ Laser T-Markings$129.00, out of stock

Most picked Odin Works receivers

ODIN Works Billet Upper Receiver$169.99, out of stock

ODIN Works Billet 9mm Upper Receiver$132.05, out of stock

ODIN Works Billet Upper Receiver$160.55, out of stock

Internals: BCM wins

Builders pick BCM barrels (4x), bolt carrier groups (25x) and charging handles (24x) more often than Odin Works. BCM triggers and buffer tubes are picked often, Odin Works's rarely.

Why BCM: The BCM bolt is Carpenter 158 steel, shot peened, high pressure tested and magnetic particle inspected.

Most picked BCM internals

Bravo Company Bolt Carrier Group$199.00, in stock at 4 stores

Bravo Company / BCM 6 Position Receiver Extension$37.49, in stock at 5 stores

Bravo Company BCM GFHMK2MED MK2 Charging Handle$74.95, in stock at 6 stores

Most picked Odin Works internals

ODIN Works Bolt Carrier Group Nitride$121.99, in stock at 8 stores

ODIN Works Gas Block Low Profile .750 Stainless Steel$43.42, in stock at 10 stores

ODIN Works 300 Barrel Pistol Length Medium Contour w/Gas$226.49, out of stock

Furniture: BCM wins

Builders pick BCM handguards (6x) more often than Odin Works. Builders pick Odin Works stocks (2.0x) more often than BCM. BCM pistol grips are picked often, Odin Works's rarely.

Most picked BCM furniture

Bravo Company Mfg M-LOK 13" Modular Rail$224.95, in stock at 3 stores

Bravo Company Mfg Mod 1 Pistol Grip$17.95, in stock at 6 stores

Bravo Company BCMGunfighter Stock KIT$95.64, in stock at 9 stores

Most picked Odin Works furniture

ODIN Works Zulu 2.0 Adjustable AR Stock KIT$127.49, in stock at 10 stores

ODIN Works 308 O2 Lite Forend M-LOK$179.00, in stock at 1 store

ODIN Works Zulu Adjustable Stock KIT w/ Padded Pistol$158.89, in stock at 5 stores

Shopper clicks: BCM wins

Of recent clicks through to a store for these brands, 95% went to BCM and 5% went to Odin Works.

The full record

Everything we track for BCM vs Odin Works, from builds, store listings and daily prices.

	BCM	Odin Works
Share of builds	37%	3%
Price tier	Premium	Premium
Parts listed	776	290
Part types	34	21
Retailers carrying	17	17
In stock now	82%	67%
Price change, 90 dayson the most picked parts	Flat	Flat
On sale now	None	1 part